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Finding the Fourth Proportional to 469,006.20, 703,509.30 and 169,630.20

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Solution

The fourth proportional to 469,006.20, 703,509.30 and 169,630.20 is: 254,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,006.20 : 703,509.30 = 169,630.20 : x
  2. Step 2: Convert to fraction form
    469,006.20/703,509.30 = 169,630.20/x
  3. Step 3: Cross multiply
    469,006.20x = 703,509.30 × 169,630.20
  4. Step 4: Simplify right side
    469,006.20x = 119,336,423,260.86
  5. Step 5: Solve for x
    x = 119,336,423,260.86/469,006.20
  6. Step 6: Final answer
    x = 254,445.30

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Similar ratio
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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.