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Finding the Fourth Proportional to 277,347.20, 415,643.88 and 117,290.12

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Solution

The fourth proportional to 277,347.20, 415,643.88 and 117,290.12 is: 175,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,347.20 : 415,643.88 = 117,290.12 : x
  2. Step 2: Convert to fraction form
    277,347.20/415,643.88 = 117,290.12/x
  3. Step 3: Cross multiply
    277,347.20x = 415,643.88 × 117,290.12
  4. Step 4: Simplify right side
    277,347.20x = 48,750,920,562.47
  5. Step 5: Solve for x
    x = 48,750,920,562.47/277,347.20
  6. Step 6: Final answer
    x = 175,775.78

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