Home / 397,410.30-596,115.45-271,439.10

Finding the Fourth Proportional to 397,410.30, 596,115.45 and 271,439.10

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Solution

The fourth proportional to 397,410.30, 596,115.45 and 271,439.10 is: 407,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,410.30 : 596,115.45 = 271,439.10 : x
  2. Step 2: Convert to fraction form
    397,410.30/596,115.45 = 271,439.10/x
  3. Step 3: Cross multiply
    397,410.30x = 596,115.45 × 271,439.10
  4. Step 4: Simplify right side
    397,410.30x = 161,809,041,244.10
  5. Step 5: Solve for x
    x = 161,809,041,244.10/397,410.30
  6. Step 6: Final answer
    x = 407,158.65

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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.