Home / 377,995.23-521,608.62-208,229.34

Finding the Fourth Proportional to 377,995.23, 521,608.62 and 208,229.34

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Solution

The fourth proportional to 377,995.23, 521,608.62 and 208,229.34 is: 287,342.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,995.23 : 521,608.62 = 208,229.34 : x
  2. Step 2: Convert to fraction form
    377,995.23/521,608.62 = 208,229.34/x
  3. Step 3: Cross multiply
    377,995.23x = 521,608.62 × 208,229.34
  4. Step 4: Simplify right side
    377,995.23x = 108,614,218,680.91
  5. Step 5: Solve for x
    x = 108,614,218,680.91/377,995.23
  6. Step 6: Final answer
    x = 287,342.83

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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.