Home / 228,988.20-343,426.30-178,944.17

Finding the Fourth Proportional to 228,988.20, 343,426.30 and 178,944.17

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Solution

The fourth proportional to 228,988.20, 343,426.30 and 178,944.17 is: 268,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,988.20 : 343,426.30 = 178,944.17 : x
  2. Step 2: Convert to fraction form
    228,988.20/343,426.30 = 178,944.17/x
  3. Step 3: Cross multiply
    228,988.20x = 343,426.30 × 178,944.17
  4. Step 4: Simplify right side
    228,988.20x = 61,454,134,620.88
  5. Step 5: Solve for x
    x = 61,454,134,620.88/228,988.20
  6. Step 6: Final answer
    x = 268,372.50

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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.