Home / 212,242.32-318,253.92-62,463.12

Finding the Fourth Proportional to 212,242.32, 318,253.92 and 62,463.12

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Solution

The fourth proportional to 212,242.32, 318,253.92 and 62,463.12 is: 93,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,242.32 : 318,253.92 = 62,463.12 : x
  2. Step 2: Convert to fraction form
    212,242.32/318,253.92 = 62,463.12/x
  3. Step 3: Cross multiply
    212,242.32x = 318,253.92 × 62,463.12
  4. Step 4: Simplify right side
    212,242.32x = 19,879,132,795.43
  5. Step 5: Solve for x
    x = 19,879,132,795.43/212,242.32
  6. Step 6: Final answer
    x = 93,662.44

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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.