Home / 377,253.18-521,441.55-331,588.62

Finding the Fourth Proportional to 377,253.18, 521,441.55 and 331,588.62

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Solution

The fourth proportional to 377,253.18, 521,441.55 and 331,588.62 is: 458,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,253.18 : 521,441.55 = 331,588.62 : x
  2. Step 2: Convert to fraction form
    377,253.18/521,441.55 = 331,588.62/x
  3. Step 3: Cross multiply
    377,253.18x = 521,441.55 × 331,588.62
  4. Step 4: Simplify right side
    377,253.18x = 172,904,083,975.16
  5. Step 5: Solve for x
    x = 172,904,083,975.16/377,253.18
  6. Step 6: Final answer
    x = 458,323.73

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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.