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Finding the Fourth Proportional to 376,300.80, 563,990.40 and 165,715.20

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Solution

The fourth proportional to 376,300.80, 563,990.40 and 165,715.20 is: 248,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,300.80 : 563,990.40 = 165,715.20 : x
  2. Step 2: Convert to fraction form
    376,300.80/563,990.40 = 165,715.20/x
  3. Step 3: Cross multiply
    376,300.80x = 563,990.40 × 165,715.20
  4. Step 4: Simplify right side
    376,300.80x = 93,461,781,934.08
  5. Step 5: Solve for x
    x = 93,461,781,934.08/376,300.80
  6. Step 6: Final answer
    x = 248,369.87

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