Home / 432,814.72-649,233.16-205,057.02

Finding the Fourth Proportional to 432,814.72, 649,233.16 and 205,057.02

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Solution

The fourth proportional to 432,814.72, 649,233.16 and 205,057.02 is: 307,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,814.72 : 649,233.16 = 205,057.02 : x
  2. Step 2: Convert to fraction form
    432,814.72/649,233.16 = 205,057.02/x
  3. Step 3: Cross multiply
    432,814.72x = 649,233.16 × 205,057.02
  4. Step 4: Simplify right side
    432,814.72x = 133,129,812,803.33
  5. Step 5: Solve for x
    x = 133,129,812,803.33/432,814.72
  6. Step 6: Final answer
    x = 307,590.77

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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.