Home / 205,064.20-307,924.35-155,200.60

Finding the Fourth Proportional to 205,064.20, 307,924.35 and 155,200.60

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Solution

The fourth proportional to 205,064.20, 307,924.35 and 155,200.60 is: 233,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,064.20 : 307,924.35 = 155,200.60 : x
  2. Step 2: Convert to fraction form
    205,064.20/307,924.35 = 155,200.60/x
  3. Step 3: Cross multiply
    205,064.20x = 307,924.35 × 155,200.60
  4. Step 4: Simplify right side
    205,064.20x = 47,790,043,874.61
  5. Step 5: Solve for x
    x = 47,790,043,874.61/205,064.20
  6. Step 6: Final answer
    x = 233,049.18

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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.