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Finding the Fourth Proportional to 368,432.80, 552,649.20 and 119,114.80

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Solution

The fourth proportional to 368,432.80, 552,649.20 and 119,114.80 is: 178,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,432.80 : 552,649.20 = 119,114.80 : x
  2. Step 2: Convert to fraction form
    368,432.80/552,649.20 = 119,114.80/x
  3. Step 3: Cross multiply
    368,432.80x = 552,649.20 × 119,114.80
  4. Step 4: Simplify right side
    368,432.80x = 65,828,698,928.16
  5. Step 5: Solve for x
    x = 65,828,698,928.16/368,432.80
  6. Step 6: Final answer
    x = 178,672.20

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