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Finding the Fourth Proportional to 636,042.92, 954,185.88 and 209,701.58

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Solution

The fourth proportional to 636,042.92, 954,185.88 and 209,701.58 is: 314,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,042.92 : 954,185.88 = 209,701.58 : x
  2. Step 2: Convert to fraction form
    636,042.92/954,185.88 = 209,701.58/x
  3. Step 3: Cross multiply
    636,042.92x = 954,185.88 × 209,701.58
  4. Step 4: Simplify right side
    636,042.92x = 200,094,286,649.69
  5. Step 5: Solve for x
    x = 200,094,286,649.69/636,042.92
  6. Step 6: Final answer
    x = 314,592.43

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1.5x scale

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.