Home / 266,335.09-367,540.23-145,476.45

Finding the Fourth Proportional to 266,335.09, 367,540.23 and 145,476.45

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Solution

The fourth proportional to 266,335.09, 367,540.23 and 145,476.45 is: 200,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,335.09 : 367,540.23 = 145,476.45 : x
  2. Step 2: Convert to fraction form
    266,335.09/367,540.23 = 145,476.45/x
  3. Step 3: Cross multiply
    266,335.09x = 367,540.23 × 145,476.45
  4. Step 4: Simplify right side
    266,335.09x = 53,468,447,892.58
  5. Step 5: Solve for x
    x = 53,468,447,892.58/266,335.09
  6. Step 6: Final answer
    x = 200,756.30

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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.