Home / 228,695.40-343,423.26-154,294.20

Finding the Fourth Proportional to 228,695.40, 343,423.26 and 154,294.20

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Solution

The fourth proportional to 228,695.40, 343,423.26 and 154,294.20 is: 231,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,695.40 : 343,423.26 = 154,294.20 : x
  2. Step 2: Convert to fraction form
    228,695.40/343,423.26 = 154,294.20/x
  3. Step 3: Cross multiply
    228,695.40x = 343,423.26 × 154,294.20
  4. Step 4: Simplify right side
    228,695.40x = 52,988,217,163.09
  5. Step 5: Solve for x
    x = 52,988,217,163.09/228,695.40
  6. Step 6: Final answer
    x = 231,697.78

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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.