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Finding the Fourth Proportional to 315,437.20, 473,155.80 and 203,462.80

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Solution

The fourth proportional to 315,437.20, 473,155.80 and 203,462.80 is: 305,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,437.20 : 473,155.80 = 203,462.80 : x
  2. Step 2: Convert to fraction form
    315,437.20/473,155.80 = 203,462.80/x
  3. Step 3: Cross multiply
    315,437.20x = 473,155.80 × 203,462.80
  4. Step 4: Simplify right side
    315,437.20x = 96,269,603,904.24
  5. Step 5: Solve for x
    x = 96,269,603,904.24/315,437.20
  6. Step 6: Final answer
    x = 305,194.20

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