Home / 499,768.38-749,446.22-191,973.85

Finding the Fourth Proportional to 499,768.38, 749,446.22 and 191,973.85

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Solution

The fourth proportional to 499,768.38, 749,446.22 and 191,973.85 is: 287,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,768.38 : 749,446.22 = 191,973.85 : x
  2. Step 2: Convert to fraction form
    499,768.38/749,446.22 = 191,973.85/x
  3. Step 3: Cross multiply
    499,768.38x = 749,446.22 × 191,973.85
  4. Step 4: Simplify right side
    499,768.38x = 143,874,074,827.67
  5. Step 5: Solve for x
    x = 143,874,074,827.67/499,768.38
  6. Step 6: Final answer
    x = 287,881.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.