Home / 372,235.91-513,546.38-219,180.54

Finding the Fourth Proportional to 372,235.91, 513,546.38 and 219,180.54

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Solution

The fourth proportional to 372,235.91, 513,546.38 and 219,180.54 is: 302,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,235.91 : 513,546.38 = 219,180.54 : x
  2. Step 2: Convert to fraction form
    372,235.91/513,546.38 = 219,180.54/x
  3. Step 3: Cross multiply
    372,235.91x = 513,546.38 × 219,180.54
  4. Step 4: Simplify right side
    372,235.91x = 112,559,372,883.45
  5. Step 5: Solve for x
    x = 112,559,372,883.45/372,235.91
  6. Step 6: Final answer
    x = 302,387.20

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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.