Home / 243,486.28-336,224.82-152,999.02

Finding the Fourth Proportional to 243,486.28, 336,224.82 and 152,999.02

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Solution

The fourth proportional to 243,486.28, 336,224.82 and 152,999.02 is: 211,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,486.28 : 336,224.82 = 152,999.02 : x
  2. Step 2: Convert to fraction form
    243,486.28/336,224.82 = 152,999.02/x
  3. Step 3: Cross multiply
    243,486.28x = 336,224.82 × 152,999.02
  4. Step 4: Simplify right side
    243,486.28x = 51,442,067,959.68
  5. Step 5: Solve for x
    x = 51,442,067,959.68/243,486.28
  6. Step 6: Final answer
    x = 211,272.96

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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.