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Finding the Fourth Proportional to 310,554.16, 465,508.12 and 210,723.28

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Solution

The fourth proportional to 310,554.16, 465,508.12 and 210,723.28 is: 315,865.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,554.16 : 465,508.12 = 210,723.28 : x
  2. Step 2: Convert to fraction form
    310,554.16/465,508.12 = 210,723.28/x
  3. Step 3: Cross multiply
    310,554.16x = 465,508.12 × 210,723.28
  4. Step 4: Simplify right side
    310,554.16x = 98,093,397,913.03
  5. Step 5: Solve for x
    x = 98,093,397,913.03/310,554.16
  6. Step 6: Final answer
    x = 315,865.67

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