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Finding the Fourth Proportional to 410,005.92, 615,282.48 and 143,766.24

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Solution

The fourth proportional to 410,005.92, 615,282.48 and 143,766.24 is: 215,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,005.92 : 615,282.48 = 143,766.24 : x
  2. Step 2: Convert to fraction form
    410,005.92/615,282.48 = 143,766.24/x
  3. Step 3: Cross multiply
    410,005.92x = 615,282.48 × 143,766.24
  4. Step 4: Simplify right side
    410,005.92x = 88,456,848,687.48
  5. Step 5: Solve for x
    x = 88,456,848,687.48/410,005.92
  6. Step 6: Final answer
    x = 215,745.30

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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.