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Finding the Fourth Proportional to 283,615.90, 391,392.54 and 156,296.02

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Solution

The fourth proportional to 283,615.90, 391,392.54 and 156,296.02 is: 215,689.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,615.90 : 391,392.54 = 156,296.02 : x
  2. Step 2: Convert to fraction form
    283,615.90/391,392.54 = 156,296.02/x
  3. Step 3: Cross multiply
    283,615.90x = 391,392.54 × 156,296.02
  4. Step 4: Simplify right side
    283,615.90x = 61,173,096,259.69
  5. Step 5: Solve for x
    x = 61,173,096,259.69/283,615.90
  6. Step 6: Final answer
    x = 215,689.94

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