Home / 268,115.49-369,999.15-147,260.06

Finding the Fourth Proportional to 268,115.49, 369,999.15 and 147,260.06

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Solution

The fourth proportional to 268,115.49, 369,999.15 and 147,260.06 is: 203,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,115.49 : 369,999.15 = 147,260.06 : x
  2. Step 2: Convert to fraction form
    268,115.49/369,999.15 = 147,260.06/x
  3. Step 3: Cross multiply
    268,115.49x = 369,999.15 × 147,260.06
  4. Step 4: Simplify right side
    268,115.49x = 54,486,095,178.95
  5. Step 5: Solve for x
    x = 54,486,095,178.95/268,115.49
  6. Step 6: Final answer
    x = 203,218.75

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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.