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Finding the Fourth Proportional to 410,610.80, 615,916.20 and 242,649.20

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Solution

The fourth proportional to 410,610.80, 615,916.20 and 242,649.20 is: 363,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,610.80 : 615,916.20 = 242,649.20 : x
  2. Step 2: Convert to fraction form
    410,610.80/615,916.20 = 242,649.20/x
  3. Step 3: Cross multiply
    410,610.80x = 615,916.20 × 242,649.20
  4. Step 4: Simplify right side
    410,610.80x = 149,451,573,197.04
  5. Step 5: Solve for x
    x = 149,451,573,197.04/410,610.80
  6. Step 6: Final answer
    x = 363,973.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.