Home / 377,923.76-521,534.77-208,157.88

Finding the Fourth Proportional to 377,923.76, 521,534.77 and 208,157.88

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Solution

The fourth proportional to 377,923.76, 521,534.77 and 208,157.88 is: 287,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,923.76 : 521,534.77 = 208,157.88 : x
  2. Step 2: Convert to fraction form
    377,923.76/521,534.77 = 208,157.88/x
  3. Step 3: Cross multiply
    377,923.76x = 521,534.77 × 208,157.88
  4. Step 4: Simplify right side
    377,923.76x = 108,561,573,504.85
  5. Step 5: Solve for x
    x = 108,561,573,504.85/377,923.76
  6. Step 6: Final answer
    x = 287,257.87

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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.