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Finding the Fourth Proportional to 410,632.48, 615,948.69 and 130,149.73

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Solution

The fourth proportional to 410,632.48, 615,948.69 and 130,149.73 is: 195,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,632.48 : 615,948.69 = 130,149.73 : x
  2. Step 2: Convert to fraction form
    410,632.48/615,948.69 = 130,149.73/x
  3. Step 3: Cross multiply
    410,632.48x = 615,948.69 × 130,149.73
  4. Step 4: Simplify right side
    410,632.48x = 80,165,555,697.35
  5. Step 5: Solve for x
    x = 80,165,555,697.35/410,632.48
  6. Step 6: Final answer
    x = 195,224.59

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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.