Home / 372,377.26-513,865.48-211,228.85

Finding the Fourth Proportional to 372,377.26, 513,865.48 and 211,228.85

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Solution

The fourth proportional to 372,377.26, 513,865.48 and 211,228.85 is: 291,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,377.26 : 513,865.48 = 211,228.85 : x
  2. Step 2: Convert to fraction form
    372,377.26/513,865.48 = 211,228.85/x
  3. Step 3: Cross multiply
    372,377.26x = 513,865.48 × 211,228.85
  4. Step 4: Simplify right side
    372,377.26x = 108,543,211,825.77
  5. Step 5: Solve for x
    x = 108,543,211,825.77/372,377.26
  6. Step 6: Final answer
    x = 291,487.22

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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.