Home / 377,904.88-521,532.32-208,138.96

Finding the Fourth Proportional to 377,904.88, 521,532.32 and 208,138.96

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Solution

The fourth proportional to 377,904.88, 521,532.32 and 208,138.96 is: 287,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,904.88 : 521,532.32 = 208,138.96 : x
  2. Step 2: Convert to fraction form
    377,904.88/521,532.32 = 208,138.96/x
  3. Step 3: Cross multiply
    377,904.88x = 521,532.32 × 208,138.96
  4. Step 4: Simplify right side
    377,904.88x = 108,551,194,691.19
  5. Step 5: Solve for x
    x = 108,551,194,691.19/377,904.88
  6. Step 6: Final answer
    x = 287,244.76

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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.