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Finding the Fourth Proportional to 225,998.35, 338,960.45 and 83,810.24

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Solution

The fourth proportional to 225,998.35, 338,960.45 and 83,810.24 is: 125,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,998.35 : 338,960.45 = 83,810.24 : x
  2. Step 2: Convert to fraction form
    225,998.35/338,960.45 = 83,810.24/x
  3. Step 3: Cross multiply
    225,998.35x = 338,960.45 × 83,810.24
  4. Step 4: Simplify right side
    225,998.35x = 28,408,357,886.05
  5. Step 5: Solve for x
    x = 28,408,357,886.05/225,998.35
  6. Step 6: Final answer
    x = 125,701.61

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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.