Home / 424,146.20-636,186.18-187,496.60

Finding the Fourth Proportional to 424,146.20, 636,186.18 and 187,496.60

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Solution

The fourth proportional to 424,146.20, 636,186.18 and 187,496.60 is: 281,230.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,146.20 : 636,186.18 = 187,496.60 : x
  2. Step 2: Convert to fraction form
    424,146.20/636,186.18 = 187,496.60/x
  3. Step 3: Cross multiply
    424,146.20x = 636,186.18 × 187,496.60
  4. Step 4: Simplify right side
    424,146.20x = 119,282,745,716.99
  5. Step 5: Solve for x
    x = 119,282,745,716.99/424,146.20
  6. Step 6: Final answer
    x = 281,230.26

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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.