Home / 331,557.24-497,339.28-265,417.86

Finding the Fourth Proportional to 331,557.24, 497,339.28 and 265,417.86

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Solution

The fourth proportional to 331,557.24, 497,339.28 and 265,417.86 is: 398,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,557.24 : 497,339.28 = 265,417.86 : x
  2. Step 2: Convert to fraction form
    331,557.24/497,339.28 = 265,417.86/x
  3. Step 3: Cross multiply
    331,557.24x = 497,339.28 × 265,417.86
  4. Step 4: Simplify right side
    331,557.24x = 132,002,727,391.54
  5. Step 5: Solve for x
    x = 132,002,727,391.54/331,557.24
  6. Step 6: Final answer
    x = 398,129.53

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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.