Home / 377,917.20-521,525.70-208,151.33

Finding the Fourth Proportional to 377,917.20, 521,525.70 and 208,151.33

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Solution

The fourth proportional to 377,917.20, 521,525.70 and 208,151.33 is: 287,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,917.20 : 521,525.70 = 208,151.33 : x
  2. Step 2: Convert to fraction form
    377,917.20/521,525.70 = 208,151.33/x
  3. Step 3: Cross multiply
    377,917.20x = 521,525.70 × 208,151.33
  4. Step 4: Simplify right side
    377,917.20x = 108,556,265,476.55
  5. Step 5: Solve for x
    x = 108,556,265,476.55/377,917.20
  6. Step 6: Final answer
    x = 287,248.81

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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.