Home / 215,539.98-323,310.57-75,298.60

Finding the Fourth Proportional to 215,539.98, 323,310.57 and 75,298.60

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Solution

The fourth proportional to 215,539.98, 323,310.57 and 75,298.60 is: 112,948.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,539.98 : 323,310.57 = 75,298.60 : x
  2. Step 2: Convert to fraction form
    215,539.98/323,310.57 = 75,298.60/x
  3. Step 3: Cross multiply
    215,539.98x = 323,310.57 × 75,298.60
  4. Step 4: Simplify right side
    215,539.98x = 24,344,833,286.20
  5. Step 5: Solve for x
    x = 24,344,833,286.20/215,539.98
  6. Step 6: Final answer
    x = 112,948.11

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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.