Home / 418,727.90-627,897.45-181,948.70

Finding the Fourth Proportional to 418,727.90, 627,897.45 and 181,948.70

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Solution

The fourth proportional to 418,727.90, 627,897.45 and 181,948.70 is: 272,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,727.90 : 627,897.45 = 181,948.70 : x
  2. Step 2: Convert to fraction form
    418,727.90/627,897.45 = 181,948.70/x
  3. Step 3: Cross multiply
    418,727.90x = 627,897.45 × 181,948.70
  4. Step 4: Simplify right side
    418,727.90x = 114,245,124,760.82
  5. Step 5: Solve for x
    x = 114,245,124,760.82/418,727.90
  6. Step 6: Final answer
    x = 272,838.58

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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.