Home / 268,934.88-403,273.65-156,647.13

Finding the Fourth Proportional to 268,934.88, 403,273.65 and 156,647.13

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Solution

The fourth proportional to 268,934.88, 403,273.65 and 156,647.13 is: 234,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,934.88 : 403,273.65 = 156,647.13 : x
  2. Step 2: Convert to fraction form
    268,934.88/403,273.65 = 156,647.13/x
  3. Step 3: Cross multiply
    268,934.88x = 403,273.65 × 156,647.13
  4. Step 4: Simplify right side
    268,934.88x = 63,171,659,877.12
  5. Step 5: Solve for x
    x = 63,171,659,877.12/268,934.88
  6. Step 6: Final answer
    x = 234,895.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.