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Finding the Fourth Proportional to 374,425.20, 561,637.80 and 187,801.20

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Solution

The fourth proportional to 374,425.20, 561,637.80 and 187,801.20 is: 281,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,425.20 : 561,637.80 = 187,801.20 : x
  2. Step 2: Convert to fraction form
    374,425.20/561,637.80 = 187,801.20/x
  3. Step 3: Cross multiply
    374,425.20x = 561,637.80 × 187,801.20
  4. Step 4: Simplify right side
    374,425.20x = 105,476,252,805.36
  5. Step 5: Solve for x
    x = 105,476,252,805.36/374,425.20
  6. Step 6: Final answer
    x = 281,701.80

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