Home / 410,327.30-615,404.55-173,677.70

Finding the Fourth Proportional to 410,327.30, 615,404.55 and 173,677.70

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Solution

The fourth proportional to 410,327.30, 615,404.55 and 173,677.70 is: 260,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,327.30 : 615,404.55 = 173,677.70 : x
  2. Step 2: Convert to fraction form
    410,327.30/615,404.55 = 173,677.70/x
  3. Step 3: Cross multiply
    410,327.30x = 615,404.55 × 173,677.70
  4. Step 4: Simplify right side
    410,327.30x = 106,882,046,813.54
  5. Step 5: Solve for x
    x = 106,882,046,813.54/410,327.30
  6. Step 6: Final answer
    x = 260,479.98

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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.