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Finding the Fourth Proportional to 410,189.86, 615,327.72 and 110,672.92

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Solution

The fourth proportional to 410,189.86, 615,327.72 and 110,672.92 is: 166,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,189.86 : 615,327.72 = 110,672.92 : x
  2. Step 2: Convert to fraction form
    410,189.86/615,327.72 = 110,672.92/x
  3. Step 3: Cross multiply
    410,189.86x = 615,327.72 × 110,672.92
  4. Step 4: Simplify right side
    410,189.86x = 68,100,115,529.34
  5. Step 5: Solve for x
    x = 68,100,115,529.34/410,189.86
  6. Step 6: Final answer
    x = 166,020.96

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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.