Home / 268,034.04-369,887.49-154,856.88

Finding the Fourth Proportional to 268,034.04, 369,887.49 and 154,856.88

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Solution

The fourth proportional to 268,034.04, 369,887.49 and 154,856.88 is: 213,702.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,034.04 : 369,887.49 = 154,856.88 : x
  2. Step 2: Convert to fraction form
    268,034.04/369,887.49 = 154,856.88/x
  3. Step 3: Cross multiply
    268,034.04x = 369,887.49 × 154,856.88
  4. Step 4: Simplify right side
    268,034.04x = 57,279,622,652.43
  5. Step 5: Solve for x
    x = 57,279,622,652.43/268,034.04
  6. Step 6: Final answer
    x = 213,702.79

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1.5x scale

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.