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Finding the Fourth Proportional to 410,511.85, 615,800.48 and 144,332.08

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Solution

The fourth proportional to 410,511.85, 615,800.48 and 144,332.08 is: 216,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,511.85 : 615,800.48 = 144,332.08 : x
  2. Step 2: Convert to fraction form
    410,511.85/615,800.48 = 144,332.08/x
  3. Step 3: Cross multiply
    410,511.85x = 615,800.48 × 144,332.08
  4. Step 4: Simplify right side
    410,511.85x = 88,879,761,882.24
  5. Step 5: Solve for x
    x = 88,879,761,882.24/410,511.85
  6. Step 6: Final answer
    x = 216,509.61

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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.