Home / 212,086.64-318,052.20-62,288.48

Finding the Fourth Proportional to 212,086.64, 318,052.20 and 62,288.48

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Solution

The fourth proportional to 212,086.64, 318,052.20 and 62,288.48 is: 93,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,086.64 : 318,052.20 = 62,288.48 : x
  2. Step 2: Convert to fraction form
    212,086.64/318,052.20 = 62,288.48/x
  3. Step 3: Cross multiply
    212,086.64x = 318,052.20 × 62,288.48
  4. Step 4: Simplify right side
    212,086.64x = 19,810,988,098.66
  5. Step 5: Solve for x
    x = 19,810,988,098.66/212,086.64
  6. Step 6: Final answer
    x = 93,409.88

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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.