Home / 499,799.20-749,737.68-144,818.32

Finding the Fourth Proportional to 499,799.20, 749,737.68 and 144,818.32

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Solution

The fourth proportional to 499,799.20, 749,737.68 and 144,818.32 is: 217,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,799.20 : 749,737.68 = 144,818.32 : x
  2. Step 2: Convert to fraction form
    499,799.20/749,737.68 = 144,818.32/x
  3. Step 3: Cross multiply
    499,799.20x = 749,737.68 × 144,818.32
  4. Step 4: Simplify right side
    499,799.20x = 108,575,751,258.30
  5. Step 5: Solve for x
    x = 108,575,751,258.30/499,799.20
  6. Step 6: Final answer
    x = 217,238.75

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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.