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Finding the Fourth Proportional to 304,820.80, 457,231.20 and 83,204.80

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Solution

The fourth proportional to 304,820.80, 457,231.20 and 83,204.80 is: 124,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,820.80 : 457,231.20 = 83,204.80 : x
  2. Step 2: Convert to fraction form
    304,820.80/457,231.20 = 83,204.80/x
  3. Step 3: Cross multiply
    304,820.80x = 457,231.20 × 83,204.80
  4. Step 4: Simplify right side
    304,820.80x = 38,043,830,549.76
  5. Step 5: Solve for x
    x = 38,043,830,549.76/304,820.80
  6. Step 6: Final answer
    x = 124,807.20

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