Home / 377,926.45-521,538.48-208,160.57

Finding the Fourth Proportional to 377,926.45, 521,538.48 and 208,160.57

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Solution

The fourth proportional to 377,926.45, 521,538.48 and 208,160.57 is: 287,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,926.45 : 521,538.48 = 208,160.57 : x
  2. Step 2: Convert to fraction form
    377,926.45/521,538.48 = 208,160.57/x
  3. Step 3: Cross multiply
    377,926.45x = 521,538.48 × 208,160.57
  4. Step 4: Simplify right side
    377,926.45x = 108,563,747,273.73
  5. Step 5: Solve for x
    x = 108,563,747,273.73/377,926.45
  6. Step 6: Final answer
    x = 287,261.58

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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.