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Finding the Fourth Proportional to 451,275.92, 676,802.88 and 185,112.32

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Solution

The fourth proportional to 451,275.92, 676,802.88 and 185,112.32 is: 277,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,275.92 : 676,802.88 = 185,112.32 : x
  2. Step 2: Convert to fraction form
    451,275.92/676,802.88 = 185,112.32/x
  3. Step 3: Cross multiply
    451,275.92x = 676,802.88 × 185,112.32
  4. Step 4: Simplify right side
    451,275.92x = 125,284,551,299.48
  5. Step 5: Solve for x
    x = 125,284,551,299.48/451,275.92
  6. Step 6: Final answer
    x = 277,622.95

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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.