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Finding the Fourth Proportional to 307,309.02, 460,958.94 and 187,401.21

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Solution

The fourth proportional to 307,309.02, 460,958.94 and 187,401.21 is: 281,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,309.02 : 460,958.94 = 187,401.21 : x
  2. Step 2: Convert to fraction form
    307,309.02/460,958.94 = 187,401.21/x
  3. Step 3: Cross multiply
    307,309.02x = 460,958.94 × 187,401.21
  4. Step 4: Simplify right side
    307,309.02x = 86,384,263,116.32
  5. Step 5: Solve for x
    x = 86,384,263,116.32/307,309.02
  6. Step 6: Final answer
    x = 281,099.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.