Home / 230,028.30-345,042.45-72,272.70

Finding the Fourth Proportional to 230,028.30, 345,042.45 and 72,272.70

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Solution

The fourth proportional to 230,028.30, 345,042.45 and 72,272.70 is: 108,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,028.30 : 345,042.45 = 72,272.70 : x
  2. Step 2: Convert to fraction form
    230,028.30/345,042.45 = 72,272.70/x
  3. Step 3: Cross multiply
    230,028.30x = 345,042.45 × 72,272.70
  4. Step 4: Simplify right side
    230,028.30x = 24,937,149,476.12
  5. Step 5: Solve for x
    x = 24,937,149,476.12/230,028.30
  6. Step 6: Final answer
    x = 108,409.05

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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.