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Finding the Fourth Proportional to 265,600.80, 398,401.20 and 176,565.60

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Solution

The fourth proportional to 265,600.80, 398,401.20 and 176,565.60 is: 264,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,600.80 : 398,401.20 = 176,565.60 : x
  2. Step 2: Convert to fraction form
    265,600.80/398,401.20 = 176,565.60/x
  3. Step 3: Cross multiply
    265,600.80x = 398,401.20 × 176,565.60
  4. Step 4: Simplify right side
    265,600.80x = 70,343,946,918.72
  5. Step 5: Solve for x
    x = 70,343,946,918.72/265,600.80
  6. Step 6: Final answer
    x = 264,848.40

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