Home / 222,389.19-306,874.17-126,877.50

Finding the Fourth Proportional to 222,389.19, 306,874.17 and 126,877.50

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Solution

The fourth proportional to 222,389.19, 306,874.17 and 126,877.50 is: 175,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,389.19 : 306,874.17 = 126,877.50 : x
  2. Step 2: Convert to fraction form
    222,389.19/306,874.17 = 126,877.50/x
  3. Step 3: Cross multiply
    222,389.19x = 306,874.17 × 126,877.50
  4. Step 4: Simplify right side
    222,389.19x = 38,935,427,504.18
  5. Step 5: Solve for x
    x = 38,935,427,504.18/222,389.19
  6. Step 6: Final answer
    x = 175,077.88

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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.