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Finding the Fourth Proportional to 315,683.90, 435,627.52 and 172,416.26

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Solution

The fourth proportional to 315,683.90, 435,627.52 and 172,416.26 is: 237,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,683.90 : 435,627.52 = 172,416.26 : x
  2. Step 2: Convert to fraction form
    315,683.90/435,627.52 = 172,416.26/x
  3. Step 3: Cross multiply
    315,683.90x = 435,627.52 × 172,416.26
  4. Step 4: Simplify right side
    315,683.90x = 75,109,268,409.50
  5. Step 5: Solve for x
    x = 75,109,268,409.50/315,683.90
  6. Step 6: Final answer
    x = 237,925.56

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