Home / 377,884.63-521,504.37-208,118.71

Finding the Fourth Proportional to 377,884.63, 521,504.37 and 208,118.71

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Solution

The fourth proportional to 377,884.63, 521,504.37 and 208,118.71 is: 287,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,884.63 : 521,504.37 = 208,118.71 : x
  2. Step 2: Convert to fraction form
    377,884.63/521,504.37 = 208,118.71/x
  3. Step 3: Cross multiply
    377,884.63x = 521,504.37 × 208,118.71
  4. Step 4: Simplify right side
    377,884.63x = 108,534,816,743.76
  5. Step 5: Solve for x
    x = 108,534,816,743.76/377,884.63
  6. Step 6: Final answer
    x = 287,216.81

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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.