Home / 286,676.43-395,579.10-157,593.61

Finding the Fourth Proportional to 286,676.43, 395,579.10 and 157,593.61

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Solution

The fourth proportional to 286,676.43, 395,579.10 and 157,593.61 is: 217,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,676.43 : 395,579.10 = 157,593.61 : x
  2. Step 2: Convert to fraction form
    286,676.43/395,579.10 = 157,593.61/x
  3. Step 3: Cross multiply
    286,676.43x = 395,579.10 × 157,593.61
  4. Step 4: Simplify right side
    286,676.43x = 62,340,738,409.55
  5. Step 5: Solve for x
    x = 62,340,738,409.55/286,676.43
  6. Step 6: Final answer
    x = 217,460.29

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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.