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Finding the Fourth Proportional to 425,514.33, 587,207.88 and 231,933.24

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Solution

The fourth proportional to 425,514.33, 587,207.88 and 231,933.24 is: 320,066.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,514.33 : 587,207.88 = 231,933.24 : x
  2. Step 2: Convert to fraction form
    425,514.33/587,207.88 = 231,933.24/x
  3. Step 3: Cross multiply
    425,514.33x = 587,207.88 × 231,933.24
  4. Step 4: Simplify right side
    425,514.33x = 136,193,026,161.93
  5. Step 5: Solve for x
    x = 136,193,026,161.93/425,514.33
  6. Step 6: Final answer
    x = 320,066.84

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1.5x scale

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.