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Finding the Fourth Proportional to 356,807.80, 534,758.10 and 146,207.80

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Solution

The fourth proportional to 356,807.80, 534,758.10 and 146,207.80 is: 219,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,807.80 : 534,758.10 = 146,207.80 : x
  2. Step 2: Convert to fraction form
    356,807.80/534,758.10 = 146,207.80/x
  3. Step 3: Cross multiply
    356,807.80x = 534,758.10 × 146,207.80
  4. Step 4: Simplify right side
    356,807.80x = 78,185,805,333.18
  5. Step 5: Solve for x
    x = 78,185,805,333.18/356,807.80
  6. Step 6: Final answer
    x = 219,125.83

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