Home / 341,930.43-471,929.16-225,439.35

Finding the Fourth Proportional to 341,930.43, 471,929.16 and 225,439.35

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Solution

The fourth proportional to 341,930.43, 471,929.16 and 225,439.35 is: 311,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,930.43 : 471,929.16 = 225,439.35 : x
  2. Step 2: Convert to fraction form
    341,930.43/471,929.16 = 225,439.35/x
  3. Step 3: Cross multiply
    341,930.43x = 471,929.16 × 225,439.35
  4. Step 4: Simplify right side
    341,930.43x = 106,391,403,076.45
  5. Step 5: Solve for x
    x = 106,391,403,076.45/341,930.43
  6. Step 6: Final answer
    x = 311,149.27

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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.