Home / 230,050.26-345,130.11-72,278.78

Finding the Fourth Proportional to 230,050.26, 345,130.11 and 72,278.78

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Solution

The fourth proportional to 230,050.26, 345,130.11 and 72,278.78 is: 108,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,050.26 : 345,130.11 = 72,278.78 : x
  2. Step 2: Convert to fraction form
    230,050.26/345,130.11 = 72,278.78/x
  3. Step 3: Cross multiply
    230,050.26x = 345,130.11 × 72,278.78
  4. Step 4: Simplify right side
    230,050.26x = 24,945,581,566.42
  5. Step 5: Solve for x
    x = 24,945,581,566.42/230,050.26
  6. Step 6: Final answer
    x = 108,435.35

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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.