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Finding the Fourth Proportional to 410,637.98, 615,956.98 and 130,155.24

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Solution

The fourth proportional to 410,637.98, 615,956.98 and 130,155.24 is: 195,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,637.98 : 615,956.98 = 130,155.24 : x
  2. Step 2: Convert to fraction form
    410,637.98/615,956.98 = 130,155.24/x
  3. Step 3: Cross multiply
    410,637.98x = 615,956.98 × 130,155.24
  4. Step 4: Simplify right side
    410,637.98x = 80,170,028,561.58
  5. Step 5: Solve for x
    x = 80,170,028,561.58/410,637.98
  6. Step 6: Final answer
    x = 195,232.86

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Similar ratio
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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.