Home / 302,947.78-454,421.67-191,906.50

Finding the Fourth Proportional to 302,947.78, 454,421.67 and 191,906.50

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Solution

The fourth proportional to 302,947.78, 454,421.67 and 191,906.50 is: 287,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,947.78 : 454,421.67 = 191,906.50 : x
  2. Step 2: Convert to fraction form
    302,947.78/454,421.67 = 191,906.50/x
  3. Step 3: Cross multiply
    302,947.78x = 454,421.67 × 191,906.50
  4. Step 4: Simplify right side
    302,947.78x = 87,206,472,213.86
  5. Step 5: Solve for x
    x = 87,206,472,213.86/302,947.78
  6. Step 6: Final answer
    x = 287,859.75

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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.