Home / 307,937.20-424,945.12-171,967.36

Finding the Fourth Proportional to 307,937.20, 424,945.12 and 171,967.36

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Solution

The fourth proportional to 307,937.20, 424,945.12 and 171,967.36 is: 237,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,937.20 : 424,945.12 = 171,967.36 : x
  2. Step 2: Convert to fraction form
    307,937.20/424,945.12 = 171,967.36/x
  3. Step 3: Cross multiply
    307,937.20x = 424,945.12 × 171,967.36
  4. Step 4: Simplify right side
    307,937.20x = 73,076,690,431.28
  5. Step 5: Solve for x
    x = 73,076,690,431.28/307,937.20
  6. Step 6: Final answer
    x = 237,310.37

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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.