Home / 377,927.60-521,540.06-208,161.73

Finding the Fourth Proportional to 377,927.60, 521,540.06 and 208,161.73

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Solution

The fourth proportional to 377,927.60, 521,540.06 and 208,161.73 is: 287,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,927.60 : 521,540.06 = 208,161.73 : x
  2. Step 2: Convert to fraction form
    377,927.60/521,540.06 = 208,161.73/x
  3. Step 3: Cross multiply
    377,927.60x = 521,540.06 × 208,161.73
  4. Step 4: Simplify right side
    377,927.60x = 108,564,680,370.46
  5. Step 5: Solve for x
    x = 108,564,680,370.46/377,927.60
  6. Step 6: Final answer
    x = 287,263.17

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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.