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Finding the Fourth Proportional to 322,512.62, 481,047.76 and 280,058.85

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Solution

The fourth proportional to 322,512.62, 481,047.76 and 280,058.85 is: 417,725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,512.62 : 481,047.76 = 280,058.85 : x
  2. Step 2: Convert to fraction form
    322,512.62/481,047.76 = 280,058.85/x
  3. Step 3: Cross multiply
    322,512.62x = 481,047.76 × 280,058.85
  4. Step 4: Simplify right side
    322,512.62x = 134,721,682,810.75
  5. Step 5: Solve for x
    x = 134,721,682,810.75/322,512.62
  6. Step 6: Final answer
    x = 417,725.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.