Home / 229,899.52-344,400.90-129,756.76

Finding the Fourth Proportional to 229,899.52, 344,400.90 and 129,756.76

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Solution

The fourth proportional to 229,899.52, 344,400.90 and 129,756.76 is: 194,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,899.52 : 344,400.90 = 129,756.76 : x
  2. Step 2: Convert to fraction form
    229,899.52/344,400.90 = 129,756.76/x
  3. Step 3: Cross multiply
    229,899.52x = 344,400.90 × 129,756.76
  4. Step 4: Simplify right side
    229,899.52x = 44,688,344,925.08
  5. Step 5: Solve for x
    x = 44,688,344,925.08/229,899.52
  6. Step 6: Final answer
    x = 194,382.07

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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.