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Finding the Fourth Proportional to 478,083.80, 717,203.60 and 141,158.51

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Solution

The fourth proportional to 478,083.80, 717,203.60 and 141,158.51 is: 211,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,083.80 : 717,203.60 = 141,158.51 : x
  2. Step 2: Convert to fraction form
    478,083.80/717,203.60 = 141,158.51/x
  3. Step 3: Cross multiply
    478,083.80x = 717,203.60 × 141,158.51
  4. Step 4: Simplify right side
    478,083.80x = 101,239,391,542.64
  5. Step 5: Solve for x
    x = 101,239,391,542.64/478,083.80
  6. Step 6: Final answer
    x = 211,760.77

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