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Finding the Fourth Proportional to 418,572.48, 627,844.80 and 181,915.44

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Solution

The fourth proportional to 418,572.48, 627,844.80 and 181,915.44 is: 272,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,572.48 : 627,844.80 = 181,915.44 : x
  2. Step 2: Convert to fraction form
    418,572.48/627,844.80 = 181,915.44/x
  3. Step 3: Cross multiply
    418,572.48x = 627,844.80 × 181,915.44
  4. Step 4: Simplify right side
    418,572.48x = 114,214,663,043.71
  5. Step 5: Solve for x
    x = 114,214,663,043.71/418,572.48
  6. Step 6: Final answer
    x = 272,867.11

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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.