Home / 266,658.27-367,988.63-145,799.79

Finding the Fourth Proportional to 266,658.27, 367,988.63 and 145,799.79

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Solution

The fourth proportional to 266,658.27, 367,988.63 and 145,799.79 is: 201,203.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,658.27 : 367,988.63 = 145,799.79 : x
  2. Step 2: Convert to fraction form
    266,658.27/367,988.63 = 145,799.79/x
  3. Step 3: Cross multiply
    266,658.27x = 367,988.63 × 145,799.79
  4. Step 4: Simplify right side
    266,658.27x = 53,652,664,976.39
  5. Step 5: Solve for x
    x = 53,652,664,976.39/266,658.27
  6. Step 6: Final answer
    x = 201,203.83

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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.