Home / 243,720.47-365,588.15-66,231.24

Finding the Fourth Proportional to 243,720.47, 365,588.15 and 66,231.24

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Solution

The fourth proportional to 243,720.47, 365,588.15 and 66,231.24 is: 99,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,720.47 : 365,588.15 = 66,231.24 : x
  2. Step 2: Convert to fraction form
    243,720.47/365,588.15 = 66,231.24/x
  3. Step 3: Cross multiply
    243,720.47x = 365,588.15 × 66,231.24
  4. Step 4: Simplify right side
    243,720.47x = 24,213,356,172.65
  5. Step 5: Solve for x
    x = 24,213,356,172.65/243,720.47
  6. Step 6: Final answer
    x = 99,348.88

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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.