Home / 222,711.30-334,107.45-72,909.90

Finding the Fourth Proportional to 222,711.30, 334,107.45 and 72,909.90

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Solution

The fourth proportional to 222,711.30, 334,107.45 and 72,909.90 is: 109,378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,711.30 : 334,107.45 = 72,909.90 : x
  2. Step 2: Convert to fraction form
    222,711.30/334,107.45 = 72,909.90/x
  3. Step 3: Cross multiply
    222,711.30x = 334,107.45 × 72,909.90
  4. Step 4: Simplify right side
    222,711.30x = 24,359,740,768.76
  5. Step 5: Solve for x
    x = 24,359,740,768.76/222,711.30
  6. Step 6: Final answer
    x = 109,378.11

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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.