Home / 266,276.62-367,455.89-145,418.39

Finding the Fourth Proportional to 266,276.62, 367,455.89 and 145,418.39

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Solution

The fourth proportional to 266,276.62, 367,455.89 and 145,418.39 is: 200,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,276.62 : 367,455.89 = 145,418.39 : x
  2. Step 2: Convert to fraction form
    266,276.62/367,455.89 = 145,418.39/x
  3. Step 3: Cross multiply
    266,276.62x = 367,455.89 × 145,418.39
  4. Step 4: Simplify right side
    266,276.62x = 53,434,843,824.04
  5. Step 5: Solve for x
    x = 53,434,843,824.04/266,276.62
  6. Step 6: Final answer
    x = 200,674.19

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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.