Home / 274,740.30-379,159.11-179,503.74

Finding the Fourth Proportional to 274,740.30, 379,159.11 and 179,503.74

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Solution

The fourth proportional to 274,740.30, 379,159.11 and 179,503.74 is: 247,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,740.30 : 379,159.11 = 179,503.74 : x
  2. Step 2: Convert to fraction form
    274,740.30/379,159.11 = 179,503.74/x
  3. Step 3: Cross multiply
    274,740.30x = 379,159.11 × 179,503.74
  4. Step 4: Simplify right side
    274,740.30x = 68,060,478,300.07
  5. Step 5: Solve for x
    x = 68,060,478,300.07/274,740.30
  6. Step 6: Final answer
    x = 247,726.59

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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.