Home / 266,239.64-367,425.59-145,392.17

Finding the Fourth Proportional to 266,239.64, 367,425.59 and 145,392.17

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Solution

The fourth proportional to 266,239.64, 367,425.59 and 145,392.17 is: 200,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,239.64 : 367,425.59 = 145,392.17 : x
  2. Step 2: Convert to fraction form
    266,239.64/367,425.59 = 145,392.17/x
  3. Step 3: Cross multiply
    266,239.64x = 367,425.59 × 145,392.17
  4. Step 4: Simplify right side
    266,239.64x = 53,420,801,279.54
  5. Step 5: Solve for x
    x = 53,420,801,279.54/266,239.64
  6. Step 6: Final answer
    x = 200,649.31

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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.