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Finding the Fourth Proportional to 356,719.20, 535,078.80 and 146,248.80

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Solution

The fourth proportional to 356,719.20, 535,078.80 and 146,248.80 is: 219,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,719.20 : 535,078.80 = 146,248.80 : x
  2. Step 2: Convert to fraction form
    356,719.20/535,078.80 = 146,248.80/x
  3. Step 3: Cross multiply
    356,719.20x = 535,078.80 × 146,248.80
  4. Step 4: Simplify right side
    356,719.20x = 78,254,632,405.44
  5. Step 5: Solve for x
    x = 78,254,632,405.44/356,719.20
  6. Step 6: Final answer
    x = 219,373.20

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