Home / 353,271.28-487,306.83-222,240.57

Finding the Fourth Proportional to 353,271.28, 487,306.83 and 222,240.57

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Solution

The fourth proportional to 353,271.28, 487,306.83 and 222,240.57 is: 306,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,271.28 : 487,306.83 = 222,240.57 : x
  2. Step 2: Convert to fraction form
    353,271.28/487,306.83 = 222,240.57/x
  3. Step 3: Cross multiply
    353,271.28x = 487,306.83 × 222,240.57
  4. Step 4: Simplify right side
    353,271.28x = 108,299,347,664.09
  5. Step 5: Solve for x
    x = 108,299,347,664.09/353,271.28
  6. Step 6: Final answer
    x = 306,561.43

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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.