Home / 212,003.32-318,001.74-54,230.44

Finding the Fourth Proportional to 212,003.32, 318,001.74 and 54,230.44

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Solution

The fourth proportional to 212,003.32, 318,001.74 and 54,230.44 is: 81,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,003.32 : 318,001.74 = 54,230.44 : x
  2. Step 2: Convert to fraction form
    212,003.32/318,001.74 = 54,230.44/x
  3. Step 3: Cross multiply
    212,003.32x = 318,001.74 × 54,230.44
  4. Step 4: Simplify right side
    212,003.32x = 17,245,374,280.97
  5. Step 5: Solve for x
    x = 17,245,374,280.97/212,003.32
  6. Step 6: Final answer
    x = 81,344.83

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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.