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Finding the Fourth Proportional to 356,083.97, 534,124.30 and 145,721.93

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Solution

The fourth proportional to 356,083.97, 534,124.30 and 145,721.93 is: 218,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,083.97 : 534,124.30 = 145,721.93 : x
  2. Step 2: Convert to fraction form
    356,083.97/534,124.30 = 145,721.93/x
  3. Step 3: Cross multiply
    356,083.97x = 534,124.30 × 145,721.93
  4. Step 4: Simplify right side
    356,083.97x = 77,833,623,855.90
  5. Step 5: Solve for x
    x = 77,833,623,855.90/356,083.97
  6. Step 6: Final answer
    x = 218,582.22

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