Home / 335,111.23-502,508.91-121,728.72

Finding the Fourth Proportional to 335,111.23, 502,508.91 and 121,728.72

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Solution

The fourth proportional to 335,111.23, 502,508.91 and 121,728.72 is: 182,535.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,111.23 : 502,508.91 = 121,728.72 : x
  2. Step 2: Convert to fraction form
    335,111.23/502,508.91 = 121,728.72/x
  3. Step 3: Cross multiply
    335,111.23x = 502,508.91 × 121,728.72
  4. Step 4: Simplify right side
    335,111.23x = 61,169,766,402.90
  5. Step 5: Solve for x
    x = 61,169,766,402.90/335,111.23
  6. Step 6: Final answer
    x = 182,535.71

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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.