Home / 380,806.28-571,328.82-229,168.81

Finding the Fourth Proportional to 380,806.28, 571,328.82 and 229,168.81

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Solution

The fourth proportional to 380,806.28, 571,328.82 and 229,168.81 is: 343,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,806.28 : 571,328.82 = 229,168.81 : x
  2. Step 2: Convert to fraction form
    380,806.28/571,328.82 = 229,168.81/x
  3. Step 3: Cross multiply
    380,806.28x = 571,328.82 × 229,168.81
  4. Step 4: Simplify right side
    380,806.28x = 130,930,745,798.10
  5. Step 5: Solve for x
    x = 130,930,745,798.10/380,806.28
  6. Step 6: Final answer
    x = 343,825.07

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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.