Home / 331,614.20-497,615.70-121,273.40

Finding the Fourth Proportional to 331,614.20, 497,615.70 and 121,273.40

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Solution

The fourth proportional to 331,614.20, 497,615.70 and 121,273.40 is: 181,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,614.20 : 497,615.70 = 121,273.40 : x
  2. Step 2: Convert to fraction form
    331,614.20/497,615.70 = 121,273.40/x
  3. Step 3: Cross multiply
    331,614.20x = 497,615.70 × 121,273.40
  4. Step 4: Simplify right side
    331,614.20x = 60,347,547,832.38
  5. Step 5: Solve for x
    x = 60,347,547,832.38/331,614.20
  6. Step 6: Final answer
    x = 181,981.19

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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.