Home / 410,631.18-615,946.78-154,511.90

Finding the Fourth Proportional to 410,631.18, 615,946.78 and 154,511.90

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Solution

The fourth proportional to 410,631.18, 615,946.78 and 154,511.90 is: 231,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,631.18 : 615,946.78 = 154,511.90 : x
  2. Step 2: Convert to fraction form
    410,631.18/615,946.78 = 154,511.90/x
  3. Step 3: Cross multiply
    410,631.18x = 615,946.78 × 154,511.90
  4. Step 4: Simplify right side
    410,631.18x = 95,171,107,276.68
  5. Step 5: Solve for x
    x = 95,171,107,276.68/410,631.18
  6. Step 6: Final answer
    x = 231,767.85

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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.