Home / 228,921.80-343,434.90-71,166.20

Finding the Fourth Proportional to 228,921.80, 343,434.90 and 71,166.20

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Solution

The fourth proportional to 228,921.80, 343,434.90 and 71,166.20 is: 106,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,921.80 : 343,434.90 = 71,166.20 : x
  2. Step 2: Convert to fraction form
    228,921.80/343,434.90 = 71,166.20/x
  3. Step 3: Cross multiply
    228,921.80x = 343,434.90 × 71,166.20
  4. Step 4: Simplify right side
    228,921.80x = 24,440,956,780.38
  5. Step 5: Solve for x
    x = 24,440,956,780.38/228,921.80
  6. Step 6: Final answer
    x = 106,765.53

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1.5x scale

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.