Home / 230,211.38-345,284.26-72,435.73

Finding the Fourth Proportional to 230,211.38, 345,284.26 and 72,435.73

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Solution

The fourth proportional to 230,211.38, 345,284.26 and 72,435.73 is: 108,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,211.38 : 345,284.26 = 72,435.73 : x
  2. Step 2: Convert to fraction form
    230,211.38/345,284.26 = 72,435.73/x
  3. Step 3: Cross multiply
    230,211.38x = 345,284.26 × 72,435.73
  4. Step 4: Simplify right side
    230,211.38x = 25,010,917,430.61
  5. Step 5: Solve for x
    x = 25,010,917,430.61/230,211.38
  6. Step 6: Final answer
    x = 108,643.27

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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.