Home / 471,006.10-649,982.30-256,141.55

Finding the Fourth Proportional to 471,006.10, 649,982.30 and 256,141.55

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Solution

The fourth proportional to 471,006.10, 649,982.30 and 256,141.55 is: 353,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,006.10 : 649,982.30 = 256,141.55 : x
  2. Step 2: Convert to fraction form
    471,006.10/649,982.30 = 256,141.55/x
  3. Step 3: Cross multiply
    471,006.10x = 649,982.30 × 256,141.55
  4. Step 4: Simplify right side
    471,006.10x = 166,487,474,138.81
  5. Step 5: Solve for x
    x = 166,487,474,138.81/471,006.10
  6. Step 6: Final answer
    x = 353,472.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.