Home / 243,729.85-365,593.75-66,236.35

Finding the Fourth Proportional to 243,729.85, 365,593.75 and 66,236.35

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Solution

The fourth proportional to 243,729.85, 365,593.75 and 66,236.35 is: 99,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,729.85 : 365,593.75 = 66,236.35 : x
  2. Step 2: Convert to fraction form
    243,729.85/365,593.75 = 66,236.35/x
  3. Step 3: Cross multiply
    243,729.85x = 365,593.75 × 66,236.35
  4. Step 4: Simplify right side
    243,729.85x = 24,215,595,582.81
  5. Step 5: Solve for x
    x = 24,215,595,582.81/243,729.85
  6. Step 6: Final answer
    x = 99,354.25

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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.