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Finding the Fourth Proportional to 636,311.88, 954,445.95 and 163,001.34

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Solution

The fourth proportional to 636,311.88, 954,445.95 and 163,001.34 is: 244,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,311.88 : 954,445.95 = 163,001.34 : x
  2. Step 2: Convert to fraction form
    636,311.88/954,445.95 = 163,001.34/x
  3. Step 3: Cross multiply
    636,311.88x = 954,445.95 × 163,001.34
  4. Step 4: Simplify right side
    636,311.88x = 155,575,968,807.57
  5. Step 5: Solve for x
    x = 155,575,968,807.57/636,311.88
  6. Step 6: Final answer
    x = 244,496.41

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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.