Home / 491,721.14-737,205.06-154,566.74

Finding the Fourth Proportional to 491,721.14, 737,205.06 and 154,566.74

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Solution

The fourth proportional to 491,721.14, 737,205.06 and 154,566.74 is: 231,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,721.14 : 737,205.06 = 154,566.74 : x
  2. Step 2: Convert to fraction form
    491,721.14/737,205.06 = 154,566.74/x
  3. Step 3: Cross multiply
    491,721.14x = 737,205.06 × 154,566.74
  4. Step 4: Simplify right side
    491,721.14x = 113,947,382,835.70
  5. Step 5: Solve for x
    x = 113,947,382,835.70/491,721.14
  6. Step 6: Final answer
    x = 231,731.71

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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.