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Finding the Fourth Proportional to 307,247.94, 424,000.41 and 171,283

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Solution

The fourth proportional to 307,247.94, 424,000.41 and 171,283 is: 236,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,247.94 : 424,000.41 = 171,283 : x
  2. Step 2: Convert to fraction form
    307,247.94/424,000.41 = 171,283/x
  3. Step 3: Cross multiply
    307,247.94x = 424,000.41 × 171,283
  4. Step 4: Simplify right side
    307,247.94x = 72,624,062,226.03
  5. Step 5: Solve for x
    x = 72,624,062,226.03/307,247.94
  6. Step 6: Final answer
    x = 236,369.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.