Home / 393,033.24-589,593.78-140,372.28

Finding the Fourth Proportional to 393,033.24, 589,593.78 and 140,372.28

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Solution

The fourth proportional to 393,033.24, 589,593.78 and 140,372.28 is: 210,574.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,033.24 : 589,593.78 = 140,372.28 : x
  2. Step 2: Convert to fraction form
    393,033.24/589,593.78 = 140,372.28/x
  3. Step 3: Cross multiply
    393,033.24x = 589,593.78 × 140,372.28
  4. Step 4: Simplify right side
    393,033.24x = 82,762,623,172.42
  5. Step 5: Solve for x
    x = 82,762,623,172.42/393,033.24
  6. Step 6: Final answer
    x = 210,574.11

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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.