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Finding the Fourth Proportional to 315,235.72, 435,023.16 and 179,269.72

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Solution

The fourth proportional to 315,235.72, 435,023.16 and 179,269.72 is: 247,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,235.72 : 435,023.16 = 179,269.72 : x
  2. Step 2: Convert to fraction form
    315,235.72/435,023.16 = 179,269.72/x
  3. Step 3: Cross multiply
    315,235.72x = 435,023.16 × 179,269.72
  4. Step 4: Simplify right side
    315,235.72x = 77,986,480,086.72
  5. Step 5: Solve for x
    x = 77,986,480,086.72/315,235.72
  6. Step 6: Final answer
    x = 247,391.00

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