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Finding the Fourth Proportional to 278,032.59, 417,081.27 and 100,623.15

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Solution

The fourth proportional to 278,032.59, 417,081.27 and 100,623.15 is: 150,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,032.59 : 417,081.27 = 100,623.15 : x
  2. Step 2: Convert to fraction form
    278,032.59/417,081.27 = 100,623.15/x
  3. Step 3: Cross multiply
    278,032.59x = 417,081.27 × 100,623.15
  4. Step 4: Simplify right side
    278,032.59x = 41,968,031,193.40
  5. Step 5: Solve for x
    x = 41,968,031,193.40/278,032.59
  6. Step 6: Final answer
    x = 150,946.45

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