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Finding the Fourth Proportional to 348,026.40, 521,618.40 and 147,926.70

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Solution

The fourth proportional to 348,026.40, 521,618.40 and 147,926.70 is: 221,711.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,026.40 : 521,618.40 = 147,926.70 : x
  2. Step 2: Convert to fraction form
    348,026.40/521,618.40 = 147,926.70/x
  3. Step 3: Cross multiply
    348,026.40x = 521,618.40 × 147,926.70
  4. Step 4: Simplify right side
    348,026.40x = 77,161,288,571.28
  5. Step 5: Solve for x
    x = 77,161,288,571.28/348,026.40
  6. Step 6: Final answer
    x = 221,711.02

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