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Finding the Fourth Proportional to 636,740.46, 954,782.01 and 187,403.10

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Solution

The fourth proportional to 636,740.46, 954,782.01 and 187,403.10 is: 281,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,740.46 : 954,782.01 = 187,403.10 : x
  2. Step 2: Convert to fraction form
    636,740.46/954,782.01 = 187,403.10/x
  3. Step 3: Cross multiply
    636,740.46x = 954,782.01 × 187,403.10
  4. Step 4: Simplify right side
    636,740.46x = 178,929,108,498.23
  5. Step 5: Solve for x
    x = 178,929,108,498.23/636,740.46
  6. Step 6: Final answer
    x = 281,007.91

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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.