Home / 338,515.15-466,768.05-215,843.80

Finding the Fourth Proportional to 338,515.15, 466,768.05 and 215,843.80

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Solution

The fourth proportional to 338,515.15, 466,768.05 and 215,843.80 is: 297,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,515.15 : 466,768.05 = 215,843.80 : x
  2. Step 2: Convert to fraction form
    338,515.15/466,768.05 = 215,843.80/x
  3. Step 3: Cross multiply
    338,515.15x = 466,768.05 × 215,843.80
  4. Step 4: Simplify right side
    338,515.15x = 100,748,989,630.59
  5. Step 5: Solve for x
    x = 100,748,989,630.59/338,515.15
  6. Step 6: Final answer
    x = 297,620.33

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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.