Home / 312,488.29-468,733.02-112,949.56

Finding the Fourth Proportional to 312,488.29, 468,733.02 and 112,949.56

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Solution

The fourth proportional to 312,488.29, 468,733.02 and 112,949.56 is: 169,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,488.29 : 468,733.02 = 112,949.56 : x
  2. Step 2: Convert to fraction form
    312,488.29/468,733.02 = 112,949.56/x
  3. Step 3: Cross multiply
    312,488.29x = 468,733.02 × 112,949.56
  4. Step 4: Simplify right side
    312,488.29x = 52,943,188,366.47
  5. Step 5: Solve for x
    x = 52,943,188,366.47/312,488.29
  6. Step 6: Final answer
    x = 169,424.55

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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.