Home / 320,579.63-481,035.02-140,791.33

Finding the Fourth Proportional to 320,579.63, 481,035.02 and 140,791.33

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Solution

The fourth proportional to 320,579.63, 481,035.02 and 140,791.33 is: 211,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,579.63 : 481,035.02 = 140,791.33 : x
  2. Step 2: Convert to fraction form
    320,579.63/481,035.02 = 140,791.33/x
  3. Step 3: Cross multiply
    320,579.63x = 481,035.02 × 140,791.33
  4. Step 4: Simplify right side
    320,579.63x = 67,725,557,133.24
  5. Step 5: Solve for x
    x = 67,725,557,133.24/320,579.63
  6. Step 6: Final answer
    x = 211,259.70

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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.