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Finding the Fourth Proportional to 316,718.21, 437,078.24 and 180,749.45

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Solution

The fourth proportional to 316,718.21, 437,078.24 and 180,749.45 is: 249,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,718.21 : 437,078.24 = 180,749.45 : x
  2. Step 2: Convert to fraction form
    316,718.21/437,078.24 = 180,749.45/x
  3. Step 3: Cross multiply
    316,718.21x = 437,078.24 × 180,749.45
  4. Step 4: Simplify right side
    316,718.21x = 79,001,651,675.92
  5. Step 5: Solve for x
    x = 79,001,651,675.92/316,718.21
  6. Step 6: Final answer
    x = 249,438.30

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