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Finding the Fourth Proportional to 636,708.49, 954,734.02 and 187,370.98

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Solution

The fourth proportional to 636,708.49, 954,734.02 and 187,370.98 is: 280,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,708.49 : 954,734.02 = 187,370.98 : x
  2. Step 2: Convert to fraction form
    636,708.49/954,734.02 = 187,370.98/x
  3. Step 3: Cross multiply
    636,708.49x = 954,734.02 × 187,370.98
  4. Step 4: Simplify right side
    636,708.49x = 178,889,448,966.74
  5. Step 5: Solve for x
    x = 178,889,448,966.74/636,708.49
  6. Step 6: Final answer
    x = 280,959.74

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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.