Home / 243,645.24-365,520.02-72,880.36

Finding the Fourth Proportional to 243,645.24, 365,520.02 and 72,880.36

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Solution

The fourth proportional to 243,645.24, 365,520.02 and 72,880.36 is: 109,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,645.24 : 365,520.02 = 72,880.36 : x
  2. Step 2: Convert to fraction form
    243,645.24/365,520.02 = 72,880.36/x
  3. Step 3: Cross multiply
    243,645.24x = 365,520.02 × 72,880.36
  4. Step 4: Simplify right side
    243,645.24x = 26,639,229,366.61
  5. Step 5: Solve for x
    x = 26,639,229,366.61/243,645.24
  6. Step 6: Final answer
    x = 109,336.14

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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.