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Finding the Fourth Proportional to 289,301.98, 433,646.79 and 131,641.15

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Solution

The fourth proportional to 289,301.98, 433,646.79 and 131,641.15 is: 197,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,301.98 : 433,646.79 = 131,641.15 : x
  2. Step 2: Convert to fraction form
    289,301.98/433,646.79 = 131,641.15/x
  3. Step 3: Cross multiply
    289,301.98x = 433,646.79 × 131,641.15
  4. Step 4: Simplify right side
    289,301.98x = 57,085,762,129.41
  5. Step 5: Solve for x
    x = 57,085,762,129.41/289,301.98
  6. Step 6: Final answer
    x = 197,322.40

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