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Finding the Fourth Proportional to 354,828.15, 532,078.20 and 155,045.70

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Solution

The fourth proportional to 354,828.15, 532,078.20 and 155,045.70 is: 232,496.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,828.15 : 532,078.20 = 155,045.70 : x
  2. Step 2: Convert to fraction form
    354,828.15/532,078.20 = 155,045.70/x
  3. Step 3: Cross multiply
    354,828.15x = 532,078.20 × 155,045.70
  4. Step 4: Simplify right side
    354,828.15x = 82,496,436,973.74
  5. Step 5: Solve for x
    x = 82,496,436,973.74/354,828.15
  6. Step 6: Final answer
    x = 232,496.88

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