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Finding the Fourth Proportional to 315,221.22, 472,200.17 and 298,663.74

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Solution

The fourth proportional to 315,221.22, 472,200.17 and 298,663.74 is: 447,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,221.22 : 472,200.17 = 298,663.74 : x
  2. Step 2: Convert to fraction form
    315,221.22/472,200.17 = 298,663.74/x
  3. Step 3: Cross multiply
    315,221.22x = 472,200.17 × 298,663.74
  4. Step 4: Simplify right side
    315,221.22x = 141,029,067,307.52
  5. Step 5: Solve for x
    x = 141,029,067,307.52/315,221.22
  6. Step 6: Final answer
    x = 447,397.12

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