Home / 377,880.88-521,499.18-208,114.96

Finding the Fourth Proportional to 377,880.88, 521,499.18 and 208,114.96

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Solution

The fourth proportional to 377,880.88, 521,499.18 and 208,114.96 is: 287,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,880.88 : 521,499.18 = 208,114.96 : x
  2. Step 2: Convert to fraction form
    377,880.88/521,499.18 = 208,114.96/x
  3. Step 3: Cross multiply
    377,880.88x = 521,499.18 × 208,114.96
  4. Step 4: Simplify right side
    377,880.88x = 108,531,780,985.73
  5. Step 5: Solve for x
    x = 108,531,780,985.73/377,880.88
  6. Step 6: Final answer
    x = 287,211.62

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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.