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Finding the Fourth Proportional to 216,265.80, 324,009.90 and 133,062.60

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Solution

The fourth proportional to 216,265.80, 324,009.90 and 133,062.60 is: 199,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,265.80 : 324,009.90 = 133,062.60 : x
  2. Step 2: Convert to fraction form
    216,265.80/324,009.90 = 133,062.60/x
  3. Step 3: Cross multiply
    216,265.80x = 324,009.90 × 133,062.60
  4. Step 4: Simplify right side
    216,265.80x = 43,113,599,719.74
  5. Step 5: Solve for x
    x = 43,113,599,719.74/216,265.80
  6. Step 6: Final answer
    x = 199,354.68

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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.