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Finding the Fourth Proportional to 350,090.60, 525,135.90 and 172,943.60

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Solution

The fourth proportional to 350,090.60, 525,135.90 and 172,943.60 is: 259,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,090.60 : 525,135.90 = 172,943.60 : x
  2. Step 2: Convert to fraction form
    350,090.60/525,135.90 = 172,943.60/x
  3. Step 3: Cross multiply
    350,090.60x = 525,135.90 × 172,943.60
  4. Step 4: Simplify right side
    350,090.60x = 90,818,893,035.24
  5. Step 5: Solve for x
    x = 90,818,893,035.24/350,090.60
  6. Step 6: Final answer
    x = 259,415.40

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