Home / 433,083.98-649,618.82-129,478.85

Finding the Fourth Proportional to 433,083.98, 649,618.82 and 129,478.85

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Solution

The fourth proportional to 433,083.98, 649,618.82 and 129,478.85 is: 194,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,083.98 : 649,618.82 = 129,478.85 : x
  2. Step 2: Convert to fraction form
    433,083.98/649,618.82 = 129,478.85/x
  3. Step 3: Cross multiply
    433,083.98x = 649,618.82 × 129,478.85
  4. Step 4: Simplify right side
    433,083.98x = 84,111,896,778.08
  5. Step 5: Solve for x
    x = 84,111,896,778.08/433,083.98
  6. Step 6: Final answer
    x = 194,216.14

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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.