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Finding the Fourth Proportional to 488,423.10, 732,634.65 and 222,702.60

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Solution

The fourth proportional to 488,423.10, 732,634.65 and 222,702.60 is: 334,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,423.10 : 732,634.65 = 222,702.60 : x
  2. Step 2: Convert to fraction form
    488,423.10/732,634.65 = 222,702.60/x
  3. Step 3: Cross multiply
    488,423.10x = 732,634.65 × 222,702.60
  4. Step 4: Simplify right side
    488,423.10x = 163,159,641,405.09
  5. Step 5: Solve for x
    x = 163,159,641,405.09/488,423.10
  6. Step 6: Final answer
    x = 334,053.90

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Similar ratio
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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.