Home / 433,116.78-649,379.52-230,743.14

Finding the Fourth Proportional to 433,116.78, 649,379.52 and 230,743.14

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Solution

The fourth proportional to 433,116.78, 649,379.52 and 230,743.14 is: 345,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,116.78 : 649,379.52 = 230,743.14 : x
  2. Step 2: Convert to fraction form
    433,116.78/649,379.52 = 230,743.14/x
  3. Step 3: Cross multiply
    433,116.78x = 649,379.52 × 230,743.14
  4. Step 4: Simplify right side
    433,116.78x = 149,839,869,496.49
  5. Step 5: Solve for x
    x = 149,839,869,496.49/433,116.78
  6. Step 6: Final answer
    x = 345,957.20

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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.