Home / 545,747.67-818,734.90-230,207.31

Finding the Fourth Proportional to 545,747.67, 818,734.90 and 230,207.31

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Solution

The fourth proportional to 545,747.67, 818,734.90 and 230,207.31 is: 345,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,747.67 : 818,734.90 = 230,207.31 : x
  2. Step 2: Convert to fraction form
    545,747.67/818,734.90 = 230,207.31/x
  3. Step 3: Cross multiply
    545,747.67x = 818,734.90 × 230,207.31
  4. Step 4: Simplify right side
    545,747.67x = 188,478,758,932.12
  5. Step 5: Solve for x
    x = 188,478,758,932.12/545,747.67
  6. Step 6: Final answer
    x = 345,358.80

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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.