Home / 212,548.04-318,472.13-148,512.68

Finding the Fourth Proportional to 212,548.04, 318,472.13 and 148,512.68

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Solution

The fourth proportional to 212,548.04, 318,472.13 and 148,512.68 is: 222,524.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,548.04 : 318,472.13 = 148,512.68 : x
  2. Step 2: Convert to fraction form
    212,548.04/318,472.13 = 148,512.68/x
  3. Step 3: Cross multiply
    212,548.04x = 318,472.13 × 148,512.68
  4. Step 4: Simplify right side
    212,548.04x = 47,297,147,196.68
  5. Step 5: Solve for x
    x = 47,297,147,196.68/212,548.04
  6. Step 6: Final answer
    x = 222,524.51

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1.5x scale

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.