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Finding the Fourth Proportional to 315,425.02, 435,269.90 and 172,157.26

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Solution

The fourth proportional to 315,425.02, 435,269.90 and 172,157.26 is: 237,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,425.02 : 435,269.90 = 172,157.26 : x
  2. Step 2: Convert to fraction form
    315,425.02/435,269.90 = 172,157.26/x
  3. Step 3: Cross multiply
    315,425.02x = 435,269.90 × 172,157.26
  4. Step 4: Simplify right side
    315,425.02x = 74,934,873,344.47
  5. Step 5: Solve for x
    x = 74,934,873,344.47/315,425.02
  6. Step 6: Final answer
    x = 237,567.94

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