Home / 377,967.57-521,595.27-208,201.74

Finding the Fourth Proportional to 377,967.57, 521,595.27 and 208,201.74

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Solution

The fourth proportional to 377,967.57, 521,595.27 and 208,201.74 is: 287,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,967.57 : 521,595.27 = 208,201.74 : x
  2. Step 2: Convert to fraction form
    377,967.57/521,595.27 = 208,201.74/x
  3. Step 3: Cross multiply
    377,967.57x = 521,595.27 × 208,201.74
  4. Step 4: Simplify right side
    377,967.57x = 108,597,042,789.77
  5. Step 5: Solve for x
    x = 108,597,042,789.77/377,967.57
  6. Step 6: Final answer
    x = 287,318.41

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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.