Home / 377,924.45-521,535.65-208,158.57

Finding the Fourth Proportional to 377,924.45, 521,535.65 and 208,158.57

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Solution

The fourth proportional to 377,924.45, 521,535.65 and 208,158.57 is: 287,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,924.45 : 521,535.65 = 208,158.57 : x
  2. Step 2: Convert to fraction form
    377,924.45/521,535.65 = 208,158.57/x
  3. Step 3: Cross multiply
    377,924.45x = 521,535.65 × 208,158.57
  4. Step 4: Simplify right side
    377,924.45x = 108,562,114,067.23
  5. Step 5: Solve for x
    x = 108,562,114,067.23/377,924.45
  6. Step 6: Final answer
    x = 287,258.78

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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.