Home / 491,240.21-736,658.18-187,746.46

Finding the Fourth Proportional to 491,240.21, 736,658.18 and 187,746.46

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Solution

The fourth proportional to 491,240.21, 736,658.18 and 187,746.46 is: 281,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,240.21 : 736,658.18 = 187,746.46 : x
  2. Step 2: Convert to fraction form
    491,240.21/736,658.18 = 187,746.46/x
  3. Step 3: Cross multiply
    491,240.21x = 736,658.18 × 187,746.46
  4. Step 4: Simplify right side
    491,240.21x = 138,304,967,836.05
  5. Step 5: Solve for x
    x = 138,304,967,836.05/491,240.21
  6. Step 6: Final answer
    x = 281,542.44

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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.