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Finding the Fourth Proportional to 353,156.70, 530,026.65 and 163,908.30

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Solution

The fourth proportional to 353,156.70, 530,026.65 and 163,908.30 is: 245,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,156.70 : 530,026.65 = 163,908.30 : x
  2. Step 2: Convert to fraction form
    353,156.70/530,026.65 = 163,908.30/x
  3. Step 3: Cross multiply
    353,156.70x = 530,026.65 × 163,908.30
  4. Step 4: Simplify right side
    353,156.70x = 86,875,767,156.20
  5. Step 5: Solve for x
    x = 86,875,767,156.20/353,156.70
  6. Step 6: Final answer
    x = 245,997.79

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