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Finding the Fourth Proportional to 487,117.64, 730,489.64 and 167,209.88

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Solution

The fourth proportional to 487,117.64, 730,489.64 and 167,209.88 is: 250,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,117.64 : 730,489.64 = 167,209.88 : x
  2. Step 2: Convert to fraction form
    487,117.64/730,489.64 = 167,209.88/x
  3. Step 3: Cross multiply
    487,117.64x = 730,489.64 × 167,209.88
  4. Step 4: Simplify right side
    487,117.64x = 122,145,080,557.15
  5. Step 5: Solve for x
    x = 122,145,080,557.15/487,117.64
  6. Step 6: Final answer
    x = 250,750.68

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