Home / 399,186.23-598,875.12-132,949.15

Finding the Fourth Proportional to 399,186.23, 598,875.12 and 132,949.15

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Solution

The fourth proportional to 399,186.23, 598,875.12 and 132,949.15 is: 199,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,186.23 : 598,875.12 = 132,949.15 : x
  2. Step 2: Convert to fraction form
    399,186.23/598,875.12 = 132,949.15/x
  3. Step 3: Cross multiply
    399,186.23x = 598,875.12 × 132,949.15
  4. Step 4: Simplify right side
    399,186.23x = 79,619,936,662.96
  5. Step 5: Solve for x
    x = 79,619,936,662.96/399,186.23
  6. Step 6: Final answer
    x = 199,455.62

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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.