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Finding the Fourth Proportional to 354,855.80, 532,283.70 and 177,390.20

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Solution

The fourth proportional to 354,855.80, 532,283.70 and 177,390.20 is: 266,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,855.80 : 532,283.70 = 177,390.20 : x
  2. Step 2: Convert to fraction form
    354,855.80/532,283.70 = 177,390.20/x
  3. Step 3: Cross multiply
    354,855.80x = 532,283.70 × 177,390.20
  4. Step 4: Simplify right side
    354,855.80x = 94,421,911,999.74
  5. Step 5: Solve for x
    x = 94,421,911,999.74/354,855.80
  6. Step 6: Final answer
    x = 266,085.30

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