Home / 212,243.14-318,255.13-62,463.97

Finding the Fourth Proportional to 212,243.14, 318,255.13 and 62,463.97

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Solution

The fourth proportional to 212,243.14, 318,255.13 and 62,463.97 is: 93,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,243.14 : 318,255.13 = 62,463.97 : x
  2. Step 2: Convert to fraction form
    212,243.14/318,255.13 = 62,463.97/x
  3. Step 3: Cross multiply
    212,243.14x = 318,255.13 × 62,463.97
  4. Step 4: Simplify right side
    212,243.14x = 19,879,478,892.67
  5. Step 5: Solve for x
    x = 19,879,478,892.67/212,243.14
  6. Step 6: Final answer
    x = 93,663.71

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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.