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Finding the Fourth Proportional to 315,137.59, 472,484.88 and 115,432.02

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Solution

The fourth proportional to 315,137.59, 472,484.88 and 115,432.02 is: 173,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,137.59 : 472,484.88 = 115,432.02 : x
  2. Step 2: Convert to fraction form
    315,137.59/472,484.88 = 115,432.02/x
  3. Step 3: Cross multiply
    315,137.59x = 472,484.88 × 115,432.02
  4. Step 4: Simplify right side
    315,137.59x = 54,539,884,117.86
  5. Step 5: Solve for x
    x = 54,539,884,117.86/315,137.59
  6. Step 6: Final answer
    x = 173,066.90

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