Home / 396,826.02-547,623.92-215,541.48

Finding the Fourth Proportional to 396,826.02, 547,623.92 and 215,541.48

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Solution

The fourth proportional to 396,826.02, 547,623.92 and 215,541.48 is: 297,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,826.02 : 547,623.92 = 215,541.48 : x
  2. Step 2: Convert to fraction form
    396,826.02/547,623.92 = 215,541.48/x
  3. Step 3: Cross multiply
    396,826.02x = 547,623.92 × 215,541.48
  4. Step 4: Simplify right side
    396,826.02x = 118,035,670,200.20
  5. Step 5: Solve for x
    x = 118,035,670,200.20/396,826.02
  6. Step 6: Final answer
    x = 297,449.42

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1.5x scale

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.