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Finding the Fourth Proportional to 315,372.89, 435,271.02 and 188,056.69

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Solution

The fourth proportional to 315,372.89, 435,271.02 and 188,056.69 is: 259,551.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,372.89 : 435,271.02 = 188,056.69 : x
  2. Step 2: Convert to fraction form
    315,372.89/435,271.02 = 188,056.69/x
  3. Step 3: Cross multiply
    315,372.89x = 435,271.02 × 188,056.69
  4. Step 4: Simplify right side
    315,372.89x = 81,855,625,480.73
  5. Step 5: Solve for x
    x = 81,855,625,480.73/315,372.89
  6. Step 6: Final answer
    x = 259,551.87

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