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Finding the Fourth Proportional to 456,803.60, 685,205.40 and 161,315.60

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Solution

The fourth proportional to 456,803.60, 685,205.40 and 161,315.60 is: 241,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,803.60 : 685,205.40 = 161,315.60 : x
  2. Step 2: Convert to fraction form
    456,803.60/685,205.40 = 161,315.60/x
  3. Step 3: Cross multiply
    456,803.60x = 685,205.40 × 161,315.60
  4. Step 4: Simplify right side
    456,803.60x = 110,534,320,224.24
  5. Step 5: Solve for x
    x = 110,534,320,224.24/456,803.60
  6. Step 6: Final answer
    x = 241,973.40

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