Home / 230,217.71-345,379.97-72,442.06

Finding the Fourth Proportional to 230,217.71, 345,379.97 and 72,442.06

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Solution

The fourth proportional to 230,217.71, 345,379.97 and 72,442.06 is: 108,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,217.71 : 345,379.97 = 72,442.06 : x
  2. Step 2: Convert to fraction form
    230,217.71/345,379.97 = 72,442.06/x
  3. Step 3: Cross multiply
    230,217.71x = 345,379.97 × 72,442.06
  4. Step 4: Simplify right side
    230,217.71x = 25,020,035,827.19
  5. Step 5: Solve for x
    x = 25,020,035,827.19/230,217.71
  6. Step 6: Final answer
    x = 108,679.89

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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.