Home / 377,811.68-521,383.92-208,046.48

Finding the Fourth Proportional to 377,811.68, 521,383.92 and 208,046.48

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Solution

The fourth proportional to 377,811.68, 521,383.92 and 208,046.48 is: 287,106.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,811.68 : 521,383.92 = 208,046.48 : x
  2. Step 2: Convert to fraction form
    377,811.68/521,383.92 = 208,046.48/x
  3. Step 3: Cross multiply
    377,811.68x = 521,383.92 × 208,046.48
  4. Step 4: Simplify right side
    377,811.68x = 108,472,089,284.60
  5. Step 5: Solve for x
    x = 108,472,089,284.60/377,811.68
  6. Step 6: Final answer
    x = 287,106.24

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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.