Home / 377,913.88-521,544.82-208,147.96

Finding the Fourth Proportional to 377,913.88, 521,544.82 and 208,147.96

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Solution

The fourth proportional to 377,913.88, 521,544.82 and 208,147.96 is: 287,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,913.88 : 521,544.82 = 208,147.96 : x
  2. Step 2: Convert to fraction form
    377,913.88/521,544.82 = 208,147.96/x
  3. Step 3: Cross multiply
    377,913.88x = 521,544.82 × 208,147.96
  4. Step 4: Simplify right side
    377,913.88x = 108,558,490,331.57
  5. Step 5: Solve for x
    x = 108,558,490,331.57/377,913.88
  6. Step 6: Final answer
    x = 287,257.22

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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.