Home / 243,984.48-365,939.28-66,505.72

Finding the Fourth Proportional to 243,984.48, 365,939.28 and 66,505.72

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Solution

The fourth proportional to 243,984.48, 365,939.28 and 66,505.72 is: 99,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,984.48 : 365,939.28 = 66,505.72 : x
  2. Step 2: Convert to fraction form
    243,984.48/365,939.28 = 66,505.72/x
  3. Step 3: Cross multiply
    243,984.48x = 365,939.28 × 66,505.72
  4. Step 4: Simplify right side
    243,984.48x = 24,337,055,292.68
  5. Step 5: Solve for x
    x = 24,337,055,292.68/243,984.48
  6. Step 6: Final answer
    x = 99,748.37

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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.