Home / 322,730.19-445,361.33-179,487.16

Finding the Fourth Proportional to 322,730.19, 445,361.33 and 179,487.16

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Solution

The fourth proportional to 322,730.19, 445,361.33 and 179,487.16 is: 247,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,730.19 : 445,361.33 = 179,487.16 : x
  2. Step 2: Convert to fraction form
    322,730.19/445,361.33 = 179,487.16/x
  3. Step 3: Cross multiply
    322,730.19x = 445,361.33 × 179,487.16
  4. Step 4: Simplify right side
    322,730.19x = 79,936,639,630.84
  5. Step 5: Solve for x
    x = 79,936,639,630.84/322,730.19
  6. Step 6: Final answer
    x = 247,688.76

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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.