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Finding the Fourth Proportional to 315,035.40, 472,389.90 and 93,390.60

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Solution

The fourth proportional to 315,035.40, 472,389.90 and 93,390.60 is: 140,037.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,035.40 : 472,389.90 = 93,390.60 : x
  2. Step 2: Convert to fraction form
    315,035.40/472,389.90 = 93,390.60/x
  3. Step 3: Cross multiply
    315,035.40x = 472,389.90 × 93,390.60
  4. Step 4: Simplify right side
    315,035.40x = 44,116,776,194.94
  5. Step 5: Solve for x
    x = 44,116,776,194.94/315,035.40
  6. Step 6: Final answer
    x = 140,037.52

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