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Finding the Fourth Proportional to 627,358.60, 940,508.82 and 272,105

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Solution

The fourth proportional to 627,358.60, 940,508.82 and 272,105 is: 407,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,358.60 : 940,508.82 = 272,105 : x
  2. Step 2: Convert to fraction form
    627,358.60/940,508.82 = 272,105/x
  3. Step 3: Cross multiply
    627,358.60x = 940,508.82 × 272,105
  4. Step 4: Simplify right side
    627,358.60x = 255,917,152,466.10
  5. Step 5: Solve for x
    x = 255,917,152,466.10/627,358.60
  6. Step 6: Final answer
    x = 407,928.02

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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.