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Finding the Fourth Proportional to 253,032.12, 349,046.14 and 162,287.12

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Solution

The fourth proportional to 253,032.12, 349,046.14 and 162,287.12 is: 223,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,032.12 : 349,046.14 = 162,287.12 : x
  2. Step 2: Convert to fraction form
    253,032.12/349,046.14 = 162,287.12/x
  3. Step 3: Cross multiply
    253,032.12x = 349,046.14 × 162,287.12
  4. Step 4: Simplify right side
    253,032.12x = 56,645,692,807.72
  5. Step 5: Solve for x
    x = 56,645,692,807.72/253,032.12
  6. Step 6: Final answer
    x = 223,867.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.