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Finding the Fourth Proportional to 289,005.67, 398,821.47 and 158,182.67

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Solution

The fourth proportional to 289,005.67, 398,821.47 and 158,182.67 is: 218,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,005.67 : 398,821.47 = 158,182.67 : x
  2. Step 2: Convert to fraction form
    289,005.67/398,821.47 = 158,182.67/x
  3. Step 3: Cross multiply
    289,005.67x = 398,821.47 × 158,182.67
  4. Step 4: Simplify right side
    289,005.67x = 63,086,646,271.57
  5. Step 5: Solve for x
    x = 63,086,646,271.57/289,005.67
  6. Step 6: Final answer
    x = 218,288.61

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