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Finding the Fourth Proportional to 325,344.60, 448,890.36 and 187,489.80

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Solution

The fourth proportional to 325,344.60, 448,890.36 and 187,489.80 is: 258,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,344.60 : 448,890.36 = 187,489.80 : x
  2. Step 2: Convert to fraction form
    325,344.60/448,890.36 = 187,489.80/x
  3. Step 3: Cross multiply
    325,344.60x = 448,890.36 × 187,489.80
  4. Step 4: Simplify right side
    325,344.60x = 84,162,363,818.33
  5. Step 5: Solve for x
    x = 84,162,363,818.33/325,344.60
  6. Step 6: Final answer
    x = 258,686.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.