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Finding the Fourth Proportional to 291,609.75, 402,421.46 and 157,473.75

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Solution

The fourth proportional to 291,609.75, 402,421.46 and 157,473.75 is: 217,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,609.75 : 402,421.46 = 157,473.75 : x
  2. Step 2: Convert to fraction form
    291,609.75/402,421.46 = 157,473.75/x
  3. Step 3: Cross multiply
    291,609.75x = 402,421.46 × 157,473.75
  4. Step 4: Simplify right side
    291,609.75x = 63,370,816,386.68
  5. Step 5: Solve for x
    x = 63,370,816,386.68/291,609.75
  6. Step 6: Final answer
    x = 217,313.78

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