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Finding the Fourth Proportional to 335,417.24, 502,952.51 and 98,729.30

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Solution

The fourth proportional to 335,417.24, 502,952.51 and 98,729.30 is: 148,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,417.24 : 502,952.51 = 98,729.30 : x
  2. Step 2: Convert to fraction form
    335,417.24/502,952.51 = 98,729.30/x
  3. Step 3: Cross multiply
    335,417.24x = 502,952.51 × 98,729.30
  4. Step 4: Simplify right side
    335,417.24x = 49,656,146,237.13
  5. Step 5: Solve for x
    x = 49,656,146,237.13/335,417.24
  6. Step 6: Final answer
    x = 148,042.92

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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.