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Finding the Fourth Proportional to 472,253.40, 708,380.10 and 156,720.60

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Solution

The fourth proportional to 472,253.40, 708,380.10 and 156,720.60 is: 235,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,253.40 : 708,380.10 = 156,720.60 : x
  2. Step 2: Convert to fraction form
    472,253.40/708,380.10 = 156,720.60/x
  3. Step 3: Cross multiply
    472,253.40x = 708,380.10 × 156,720.60
  4. Step 4: Simplify right side
    472,253.40x = 111,017,754,300.06
  5. Step 5: Solve for x
    x = 111,017,754,300.06/472,253.40
  6. Step 6: Final answer
    x = 235,080.90

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