Home / 499,917.40-749,721.79-144,957.58

Finding the Fourth Proportional to 499,917.40, 749,721.79 and 144,957.58

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Solution

The fourth proportional to 499,917.40, 749,721.79 and 144,957.58 is: 217,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,917.40 : 749,721.79 = 144,957.58 : x
  2. Step 2: Convert to fraction form
    499,917.40/749,721.79 = 144,957.58/x
  3. Step 3: Cross multiply
    499,917.40x = 749,721.79 × 144,957.58
  4. Step 4: Simplify right side
    499,917.40x = 108,677,856,351.67
  5. Step 5: Solve for x
    x = 108,677,856,351.67/499,917.40
  6. Step 6: Final answer
    x = 217,391.63

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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.