Home / 205,243.20-307,862.67-65,001.81

Finding the Fourth Proportional to 205,243.20, 307,862.67 and 65,001.81

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Solution

The fourth proportional to 205,243.20, 307,862.67 and 65,001.81 is: 97,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,243.20 : 307,862.67 = 65,001.81 : x
  2. Step 2: Convert to fraction form
    205,243.20/307,862.67 = 65,001.81/x
  3. Step 3: Cross multiply
    205,243.20x = 307,862.67 × 65,001.81
  4. Step 4: Simplify right side
    205,243.20x = 20,011,630,781.43
  5. Step 5: Solve for x
    x = 20,011,630,781.43/205,243.20
  6. Step 6: Final answer
    x = 97,502.04

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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.