Home / 418,734.47-627,721.59-152,306.63

Finding the Fourth Proportional to 418,734.47, 627,721.59 and 152,306.63

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Solution

The fourth proportional to 418,734.47, 627,721.59 and 152,306.63 is: 228,321.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,734.47 : 627,721.59 = 152,306.63 : x
  2. Step 2: Convert to fraction form
    418,734.47/627,721.59 = 152,306.63/x
  3. Step 3: Cross multiply
    418,734.47x = 627,721.59 × 152,306.63
  4. Step 4: Simplify right side
    418,734.47x = 95,606,159,951.14
  5. Step 5: Solve for x
    x = 95,606,159,951.14/418,734.47
  6. Step 6: Final answer
    x = 228,321.69

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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.