Home / 499,919.76-749,725.38-144,959.94

Finding the Fourth Proportional to 499,919.76, 749,725.38 and 144,959.94

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Solution

The fourth proportional to 499,919.76, 749,725.38 and 144,959.94 is: 217,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,919.76 : 749,725.38 = 144,959.94 : x
  2. Step 2: Convert to fraction form
    499,919.76/749,725.38 = 144,959.94/x
  3. Step 3: Cross multiply
    499,919.76x = 749,725.38 × 144,959.94
  4. Step 4: Simplify right side
    499,919.76x = 108,680,146,101.28
  5. Step 5: Solve for x
    x = 108,680,146,101.28/499,919.76
  6. Step 6: Final answer
    x = 217,395.18

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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.