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Finding the Fourth Proportional to 308,353.99, 425,537.85 and 172,393.67

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Solution

The fourth proportional to 308,353.99, 425,537.85 and 172,393.67 is: 237,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,353.99 : 425,537.85 = 172,393.67 : x
  2. Step 2: Convert to fraction form
    308,353.99/425,537.85 = 172,393.67/x
  3. Step 3: Cross multiply
    308,353.99x = 425,537.85 × 172,393.67
  4. Step 4: Simplify right side
    308,353.99x = 73,360,031,002.08
  5. Step 5: Solve for x
    x = 73,360,031,002.08/308,353.99
  6. Step 6: Final answer
    x = 237,908.49

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