Home / 319,385.43-479,264.04-119,845.17

Finding the Fourth Proportional to 319,385.43, 479,264.04 and 119,845.17

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Solution

The fourth proportional to 319,385.43, 479,264.04 and 119,845.17 is: 179,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,385.43 : 479,264.04 = 119,845.17 : x
  2. Step 2: Convert to fraction form
    319,385.43/479,264.04 = 119,845.17/x
  3. Step 3: Cross multiply
    319,385.43x = 479,264.04 × 119,845.17
  4. Step 4: Simplify right side
    319,385.43x = 57,437,480,348.69
  5. Step 5: Solve for x
    x = 57,437,480,348.69/319,385.43
  6. Step 6: Final answer
    x = 179,837.51

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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.