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Finding the Fourth Proportional to 315,619.20, 473,313.60 and 157,795.20

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Solution

The fourth proportional to 315,619.20, 473,313.60 and 157,795.20 is: 236,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,619.20 : 473,313.60 = 157,795.20 : x
  2. Step 2: Convert to fraction form
    315,619.20/473,313.60 = 157,795.20/x
  3. Step 3: Cross multiply
    315,619.20x = 473,313.60 × 157,795.20
  4. Step 4: Simplify right side
    315,619.20x = 74,686,614,174.72
  5. Step 5: Solve for x
    x = 74,686,614,174.72/315,619.20
  6. Step 6: Final answer
    x = 236,635.21

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