Home / 255,278.49-382,917.73-68,285.13

Finding the Fourth Proportional to 255,278.49, 382,917.73 and 68,285.13

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Solution

The fourth proportional to 255,278.49, 382,917.73 and 68,285.13 is: 102,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,278.49 : 382,917.73 = 68,285.13 : x
  2. Step 2: Convert to fraction form
    255,278.49/382,917.73 = 68,285.13/x
  3. Step 3: Cross multiply
    255,278.49x = 382,917.73 × 68,285.13
  4. Step 4: Simplify right side
    255,278.49x = 26,147,586,972.35
  5. Step 5: Solve for x
    x = 26,147,586,972.35/255,278.49
  6. Step 6: Final answer
    x = 102,427.69

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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.