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Finding the Fourth Proportional to 307,873.10, 424,860.78 and 171,909.32

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Solution

The fourth proportional to 307,873.10, 424,860.78 and 171,909.32 is: 237,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,873.10 : 424,860.78 = 171,909.32 : x
  2. Step 2: Convert to fraction form
    307,873.10/424,860.78 = 171,909.32/x
  3. Step 3: Cross multiply
    307,873.10x = 424,860.78 × 171,909.32
  4. Step 4: Simplify right side
    307,873.10x = 73,037,527,784.47
  5. Step 5: Solve for x
    x = 73,037,527,784.47/307,873.10
  6. Step 6: Final answer
    x = 237,232.57

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