Home / 417,096.16-625,688.04-136,635.28

Finding the Fourth Proportional to 417,096.16, 625,688.04 and 136,635.28

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Solution

The fourth proportional to 417,096.16, 625,688.04 and 136,635.28 is: 204,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,096.16 : 625,688.04 = 136,635.28 : x
  2. Step 2: Convert to fraction form
    417,096.16/625,688.04 = 136,635.28/x
  3. Step 3: Cross multiply
    417,096.16x = 625,688.04 × 136,635.28
  4. Step 4: Simplify right side
    417,096.16x = 85,491,060,538.05
  5. Step 5: Solve for x
    x = 85,491,060,538.05/417,096.16
  6. Step 6: Final answer
    x = 204,967.27

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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.