Home / 493,533.16-681,077.97-267,178.66

Finding the Fourth Proportional to 493,533.16, 681,077.97 and 267,178.66

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Solution

The fourth proportional to 493,533.16, 681,077.97 and 267,178.66 is: 368,707.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,533.16 : 681,077.97 = 267,178.66 : x
  2. Step 2: Convert to fraction form
    493,533.16/681,077.97 = 267,178.66/x
  3. Step 3: Cross multiply
    493,533.16x = 681,077.97 × 267,178.66
  4. Step 4: Simplify right side
    493,533.16x = 181,969,499,380.12
  5. Step 5: Solve for x
    x = 181,969,499,380.12/493,533.16
  6. Step 6: Final answer
    x = 368,707.75

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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.