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Finding the Fourth Proportional to 248,600.40, 372,681.90 and 148,800.30

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Solution

The fourth proportional to 248,600.40, 372,681.90 and 148,800.30 is: 223,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,600.40 : 372,681.90 = 148,800.30 : x
  2. Step 2: Convert to fraction form
    248,600.40/372,681.90 = 148,800.30/x
  3. Step 3: Cross multiply
    248,600.40x = 372,681.90 × 148,800.30
  4. Step 4: Simplify right side
    248,600.40x = 55,455,178,524.57
  5. Step 5: Solve for x
    x = 55,455,178,524.57/248,600.40
  6. Step 6: Final answer
    x = 223,069.55

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