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Finding the Fourth Proportional to 364,906.60, 547,359.90 and 299,296.60

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Solution

The fourth proportional to 364,906.60, 547,359.90 and 299,296.60 is: 448,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,906.60 : 547,359.90 = 299,296.60 : x
  2. Step 2: Convert to fraction form
    364,906.60/547,359.90 = 299,296.60/x
  3. Step 3: Cross multiply
    364,906.60x = 547,359.90 × 299,296.60
  4. Step 4: Simplify right side
    364,906.60x = 163,822,957,046.34
  5. Step 5: Solve for x
    x = 163,822,957,046.34/364,906.60
  6. Step 6: Final answer
    x = 448,944.90

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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.