Home / 228,934.60-343,434.30-71,146.60

Finding the Fourth Proportional to 228,934.60, 343,434.30 and 71,146.60

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Solution

The fourth proportional to 228,934.60, 343,434.30 and 71,146.60 is: 106,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,934.60 : 343,434.30 = 71,146.60 : x
  2. Step 2: Convert to fraction form
    228,934.60/343,434.30 = 71,146.60/x
  3. Step 3: Cross multiply
    228,934.60x = 343,434.30 × 71,146.60
  4. Step 4: Simplify right side
    228,934.60x = 24,434,182,768.38
  5. Step 5: Solve for x
    x = 24,434,182,768.38/228,934.60
  6. Step 6: Final answer
    x = 106,729.97

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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.