Home / 234,599.76-351,864-76,824.72

Finding the Fourth Proportional to 234,599.76, 351,864 and 76,824.72

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Solution

The fourth proportional to 234,599.76, 351,864 and 76,824.72 is: 115,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,599.76 : 351,864 = 76,824.72 : x
  2. Step 2: Convert to fraction form
    234,599.76/351,864 = 76,824.72/x
  3. Step 3: Cross multiply
    234,599.76x = 351,864 × 76,824.72
  4. Step 4: Simplify right side
    234,599.76x = 27,031,853,278.08
  5. Step 5: Solve for x
    x = 27,031,853,278.08/234,599.76
  6. Step 6: Final answer
    x = 115,225.41

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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.