Home / 380,804.28-571,325.82-229,166.81

Finding the Fourth Proportional to 380,804.28, 571,325.82 and 229,166.81

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Solution

The fourth proportional to 380,804.28, 571,325.82 and 229,166.81 is: 343,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,804.28 : 571,325.82 = 229,166.81 : x
  2. Step 2: Convert to fraction form
    380,804.28/571,325.82 = 229,166.81/x
  3. Step 3: Cross multiply
    380,804.28x = 571,325.82 × 229,166.81
  4. Step 4: Simplify right side
    380,804.28x = 130,928,915,640.03
  5. Step 5: Solve for x
    x = 130,928,915,640.03/380,804.28
  6. Step 6: Final answer
    x = 343,822.07

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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.