Home / 282,350.28-389,532.24-161,426.64

Finding the Fourth Proportional to 282,350.28, 389,532.24 and 161,426.64

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Solution

The fourth proportional to 282,350.28, 389,532.24 and 161,426.64 is: 222,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,350.28 : 389,532.24 = 161,426.64 : x
  2. Step 2: Convert to fraction form
    282,350.28/389,532.24 = 161,426.64/x
  3. Step 3: Cross multiply
    282,350.28x = 389,532.24 × 161,426.64
  4. Step 4: Simplify right side
    282,350.28x = 62,880,880,674.87
  5. Step 5: Solve for x
    x = 62,880,880,674.87/282,350.28
  6. Step 6: Final answer
    x = 222,705.22

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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.