Home / 362,812.40-500,721.64-219,651.36

Finding the Fourth Proportional to 362,812.40, 500,721.64 and 219,651.36

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Solution

The fourth proportional to 362,812.40, 500,721.64 and 219,651.36 is: 303,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,812.40 : 500,721.64 = 219,651.36 : x
  2. Step 2: Convert to fraction form
    362,812.40/500,721.64 = 219,651.36/x
  3. Step 3: Cross multiply
    362,812.40x = 500,721.64 × 219,651.36
  4. Step 4: Simplify right side
    362,812.40x = 109,984,189,207.43
  5. Step 5: Solve for x
    x = 109,984,189,207.43/362,812.40
  6. Step 6: Final answer
    x = 303,143.41

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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.