Home / 230,350.26-345,587.66-70,431.85

Finding the Fourth Proportional to 230,350.26, 345,587.66 and 70,431.85

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Solution

The fourth proportional to 230,350.26, 345,587.66 and 70,431.85 is: 105,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,350.26 : 345,587.66 = 70,431.85 : x
  2. Step 2: Convert to fraction form
    230,350.26/345,587.66 = 70,431.85/x
  3. Step 3: Cross multiply
    230,350.26x = 345,587.66 × 70,431.85
  4. Step 4: Simplify right side
    230,350.26x = 24,340,379,943.06
  5. Step 5: Solve for x
    x = 24,340,379,943.06/230,350.26
  6. Step 6: Final answer
    x = 105,666.82

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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.