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Finding the Fourth Proportional to 456,774.46, 685,207.46 and 157,215.40

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Solution

The fourth proportional to 456,774.46, 685,207.46 and 157,215.40 is: 235,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,774.46 : 685,207.46 = 157,215.40 : x
  2. Step 2: Convert to fraction form
    456,774.46/685,207.46 = 157,215.40/x
  3. Step 3: Cross multiply
    456,774.46x = 685,207.46 × 157,215.40
  4. Step 4: Simplify right side
    456,774.46x = 107,725,164,906.88
  5. Step 5: Solve for x
    x = 107,725,164,906.88/456,774.46
  6. Step 6: Final answer
    x = 235,838.85

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