Home / 423,822.22-635,338.06-143,143.18

Finding the Fourth Proportional to 423,822.22, 635,338.06 and 143,143.18

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Solution

The fourth proportional to 423,822.22, 635,338.06 and 143,143.18 is: 214,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,822.22 : 635,338.06 = 143,143.18 : x
  2. Step 2: Convert to fraction form
    423,822.22/635,338.06 = 143,143.18/x
  3. Step 3: Cross multiply
    423,822.22x = 635,338.06 × 143,143.18
  4. Step 4: Simplify right side
    423,822.22x = 90,944,310,283.43
  5. Step 5: Solve for x
    x = 90,944,310,283.43/423,822.22
  6. Step 6: Final answer
    x = 214,581.27

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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.