Home / 229,426.29-344,139.44-89,217.72

Finding the Fourth Proportional to 229,426.29, 344,139.44 and 89,217.72

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Solution

The fourth proportional to 229,426.29, 344,139.44 and 89,217.72 is: 133,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,426.29 : 344,139.44 = 89,217.72 : x
  2. Step 2: Convert to fraction form
    229,426.29/344,139.44 = 89,217.72/x
  3. Step 3: Cross multiply
    229,426.29x = 344,139.44 × 89,217.72
  4. Step 4: Simplify right side
    229,426.29x = 30,703,336,198.88
  5. Step 5: Solve for x
    x = 30,703,336,198.88/229,426.29
  6. Step 6: Final answer
    x = 133,826.58

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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.