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Finding the Fourth Proportional to 532,133.67, 797,507.40 and 216,221.25

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Solution

The fourth proportional to 532,133.67, 797,507.40 and 216,221.25 is: 324,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,133.67 : 797,507.40 = 216,221.25 : x
  2. Step 2: Convert to fraction form
    532,133.67/797,507.40 = 216,221.25/x
  3. Step 3: Cross multiply
    532,133.67x = 797,507.40 × 216,221.25
  4. Step 4: Simplify right side
    532,133.67x = 172,438,046,912.25
  5. Step 5: Solve for x
    x = 172,438,046,912.25/532,133.67
  6. Step 6: Final answer
    x = 324,050.25

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.