Home / 396,220.35-593,280.77-208,838.19

Finding the Fourth Proportional to 396,220.35, 593,280.77 and 208,838.19

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Solution

The fourth proportional to 396,220.35, 593,280.77 and 208,838.19 is: 312,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,220.35 : 593,280.77 = 208,838.19 : x
  2. Step 2: Convert to fraction form
    396,220.35/593,280.77 = 208,838.19/x
  3. Step 3: Cross multiply
    396,220.35x = 593,280.77 × 208,838.19
  4. Step 4: Simplify right side
    396,220.35x = 123,899,681,124.42
  5. Step 5: Solve for x
    x = 123,899,681,124.42/396,220.35
  6. Step 6: Final answer
    x = 312,703.98

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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.