Home / 266,209.85-367,366.80-145,350.76

Finding the Fourth Proportional to 266,209.85, 367,366.80 and 145,350.76

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Solution

The fourth proportional to 266,209.85, 367,366.80 and 145,350.76 is: 200,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,209.85 : 367,366.80 = 145,350.76 : x
  2. Step 2: Convert to fraction form
    266,209.85/367,366.80 = 145,350.76/x
  3. Step 3: Cross multiply
    266,209.85x = 367,366.80 × 145,350.76
  4. Step 4: Simplify right side
    266,209.85x = 53,397,043,205.42
  5. Step 5: Solve for x
    x = 53,397,043,205.42/266,209.85
  6. Step 6: Final answer
    x = 200,582.53

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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.