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Finding the Fourth Proportional to 627,356.58, 940,505.82 and 272,103

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Solution

The fourth proportional to 627,356.58, 940,505.82 and 272,103 is: 407,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,356.58 : 940,505.82 = 272,103 : x
  2. Step 2: Convert to fraction form
    627,356.58/940,505.82 = 272,103/x
  3. Step 3: Cross multiply
    627,356.58x = 940,505.82 × 272,103
  4. Step 4: Simplify right side
    627,356.58x = 255,914,455,139.46
  5. Step 5: Solve for x
    x = 255,914,455,139.46/627,356.58
  6. Step 6: Final answer
    x = 407,925.04

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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.