Home / 415,579.50-573,499.85-236,731.50

Finding the Fourth Proportional to 415,579.50, 573,499.85 and 236,731.50

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Solution

The fourth proportional to 415,579.50, 573,499.85 and 236,731.50 is: 326,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,579.50 : 573,499.85 = 236,731.50 : x
  2. Step 2: Convert to fraction form
    415,579.50/573,499.85 = 236,731.50/x
  3. Step 3: Cross multiply
    415,579.50x = 573,499.85 × 236,731.50
  4. Step 4: Simplify right side
    415,579.50x = 135,765,478,556.62
  5. Step 5: Solve for x
    x = 135,765,478,556.62/415,579.50
  6. Step 6: Final answer
    x = 326,689.55

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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.