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Finding the Fourth Proportional to 456,800.20, 685,124.70 and 153,190.60

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Solution

The fourth proportional to 456,800.20, 685,124.70 and 153,190.60 is: 229,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,800.20 : 685,124.70 = 153,190.60 : x
  2. Step 2: Convert to fraction form
    456,800.20/685,124.70 = 153,190.60/x
  3. Step 3: Cross multiply
    456,800.20x = 685,124.70 × 153,190.60
  4. Step 4: Simplify right side
    456,800.20x = 104,954,663,867.82
  5. Step 5: Solve for x
    x = 104,954,663,867.82/456,800.20
  6. Step 6: Final answer
    x = 229,760.55

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