Home / 465,238.72-696,949.12-221,733.28

Finding the Fourth Proportional to 465,238.72, 696,949.12 and 221,733.28

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Solution

The fourth proportional to 465,238.72, 696,949.12 and 221,733.28 is: 332,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,238.72 : 696,949.12 = 221,733.28 : x
  2. Step 2: Convert to fraction form
    465,238.72/696,949.12 = 221,733.28/x
  3. Step 3: Cross multiply
    465,238.72x = 696,949.12 × 221,733.28
  4. Step 4: Simplify right side
    465,238.72x = 154,536,814,370.71
  5. Step 5: Solve for x
    x = 154,536,814,370.71/465,238.72
  6. Step 6: Final answer
    x = 332,166.71

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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.