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Finding the Fourth Proportional to 350,522.60, 525,092.70 and 209,863.40

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Solution

The fourth proportional to 350,522.60, 525,092.70 and 209,863.40 is: 314,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,522.60 : 525,092.70 = 209,863.40 : x
  2. Step 2: Convert to fraction form
    350,522.60/525,092.70 = 209,863.40/x
  3. Step 3: Cross multiply
    350,522.60x = 525,092.70 × 209,863.40
  4. Step 4: Simplify right side
    350,522.60x = 110,197,739,337.18
  5. Step 5: Solve for x
    x = 110,197,739,337.18/350,522.60
  6. Step 6: Final answer
    x = 314,381.27

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