Home / 268,984.41-371,073.87-173,521.86

Finding the Fourth Proportional to 268,984.41, 371,073.87 and 173,521.86

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Solution

The fourth proportional to 268,984.41, 371,073.87 and 173,521.86 is: 239,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,984.41 : 371,073.87 = 173,521.86 : x
  2. Step 2: Convert to fraction form
    268,984.41/371,073.87 = 173,521.86/x
  3. Step 3: Cross multiply
    268,984.41x = 371,073.87 × 173,521.86
  4. Step 4: Simplify right side
    268,984.41x = 64,389,428,119.80
  5. Step 5: Solve for x
    x = 64,389,428,119.80/268,984.41
  6. Step 6: Final answer
    x = 239,379.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.