Home / 377,868.20-521,454.66-208,098.68

Finding the Fourth Proportional to 377,868.20, 521,454.66 and 208,098.68

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Solution

The fourth proportional to 377,868.20, 521,454.66 and 208,098.68 is: 287,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,868.20 : 521,454.66 = 208,098.68 : x
  2. Step 2: Convert to fraction form
    377,868.20/521,454.66 = 208,098.68/x
  3. Step 3: Cross multiply
    377,868.20x = 521,454.66 × 208,098.68
  4. Step 4: Simplify right side
    377,868.20x = 108,514,026,425.85
  5. Step 5: Solve for x
    x = 108,514,026,425.85/377,868.20
  6. Step 6: Final answer
    x = 287,174.28

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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.