Home / 400,170.44-551,974.92-256,703.24

Finding the Fourth Proportional to 400,170.44, 551,974.92 and 256,703.24

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Solution

The fourth proportional to 400,170.44, 551,974.92 and 256,703.24 is: 354,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,170.44 : 551,974.92 = 256,703.24 : x
  2. Step 2: Convert to fraction form
    400,170.44/551,974.92 = 256,703.24/x
  3. Step 3: Cross multiply
    400,170.44x = 551,974.92 × 256,703.24
  4. Step 4: Simplify right side
    400,170.44x = 141,693,750,362.74
  5. Step 5: Solve for x
    x = 141,693,750,362.74/400,170.44
  6. Step 6: Final answer
    x = 354,083.50

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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.