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Finding the Fourth Proportional to 272,608.92, 408,909.72 and 70,203.90

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Solution

The fourth proportional to 272,608.92, 408,909.72 and 70,203.90 is: 105,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,608.92 : 408,909.72 = 70,203.90 : x
  2. Step 2: Convert to fraction form
    272,608.92/408,909.72 = 70,203.90/x
  3. Step 3: Cross multiply
    272,608.92x = 408,909.72 × 70,203.90
  4. Step 4: Simplify right side
    272,608.92x = 28,707,057,091.91
  5. Step 5: Solve for x
    x = 28,707,057,091.91/272,608.92
  6. Step 6: Final answer
    x = 105,304.91

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