Home / 230,314.43-345,401.91-80,526.80

Finding the Fourth Proportional to 230,314.43, 345,401.91 and 80,526.80

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Solution

The fourth proportional to 230,314.43, 345,401.91 and 80,526.80 is: 120,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,314.43 : 345,401.91 = 80,526.80 : x
  2. Step 2: Convert to fraction form
    230,314.43/345,401.91 = 80,526.80/x
  3. Step 3: Cross multiply
    230,314.43x = 345,401.91 × 80,526.80
  4. Step 4: Simplify right side
    230,314.43x = 27,814,110,526.19
  5. Step 5: Solve for x
    x = 27,814,110,526.19/230,314.43
  6. Step 6: Final answer
    x = 120,765.82

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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.