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Finding the Fourth Proportional to 315,090.40, 472,472.40 and 93,445.60

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Solution

The fourth proportional to 315,090.40, 472,472.40 and 93,445.60 is: 140,120.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,090.40 : 472,472.40 = 93,445.60 : x
  2. Step 2: Convert to fraction form
    315,090.40/472,472.40 = 93,445.60/x
  3. Step 3: Cross multiply
    315,090.40x = 472,472.40 × 93,445.60
  4. Step 4: Simplify right side
    315,090.40x = 44,150,466,901.44
  5. Step 5: Solve for x
    x = 44,150,466,901.44/315,090.40
  6. Step 6: Final answer
    x = 140,120.00

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