Home / 335,139.50-502,426.04-145,456.43

Finding the Fourth Proportional to 335,139.50, 502,426.04 and 145,456.43

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Solution

The fourth proportional to 335,139.50, 502,426.04 and 145,456.43 is: 218,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,139.50 : 502,426.04 = 145,456.43 : x
  2. Step 2: Convert to fraction form
    335,139.50/502,426.04 = 145,456.43/x
  3. Step 3: Cross multiply
    335,139.50x = 502,426.04 × 145,456.43
  4. Step 4: Simplify right side
    335,139.50x = 73,081,098,117.44
  5. Step 5: Solve for x
    x = 73,081,098,117.44/335,139.50
  6. Step 6: Final answer
    x = 218,061.73

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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.