Home / 230,306.69-345,427.23-72,531.05

Finding the Fourth Proportional to 230,306.69, 345,427.23 and 72,531.05

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Solution

The fourth proportional to 230,306.69, 345,427.23 and 72,531.05 is: 108,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,306.69 : 345,427.23 = 72,531.05 : x
  2. Step 2: Convert to fraction form
    230,306.69/345,427.23 = 72,531.05/x
  3. Step 3: Cross multiply
    230,306.69x = 345,427.23 × 72,531.05
  4. Step 4: Simplify right side
    230,306.69x = 25,054,198,235.35
  5. Step 5: Solve for x
    x = 25,054,198,235.35/230,306.69
  6. Step 6: Final answer
    x = 108,786.24

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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.