Home / 228,902.76-343,354.14-71,131.23

Finding the Fourth Proportional to 228,902.76, 343,354.14 and 71,131.23

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Solution

The fourth proportional to 228,902.76, 343,354.14 and 71,131.23 is: 106,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,902.76 : 343,354.14 = 71,131.23 : x
  2. Step 2: Convert to fraction form
    228,902.76/343,354.14 = 71,131.23/x
  3. Step 3: Cross multiply
    228,902.76x = 343,354.14 × 71,131.23
  4. Step 4: Simplify right side
    228,902.76x = 24,423,202,303.79
  5. Step 5: Solve for x
    x = 24,423,202,303.79/228,902.76
  6. Step 6: Final answer
    x = 106,696.85

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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.