Home / 348,593.24-521,570.34-206,514.78

Finding the Fourth Proportional to 348,593.24, 521,570.34 and 206,514.78

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Solution

The fourth proportional to 348,593.24, 521,570.34 and 206,514.78 is: 308,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,593.24 : 521,570.34 = 206,514.78 : x
  2. Step 2: Convert to fraction form
    348,593.24/521,570.34 = 206,514.78/x
  3. Step 3: Cross multiply
    348,593.24x = 521,570.34 × 206,514.78
  4. Step 4: Simplify right side
    348,593.24x = 107,711,984,019.63
  5. Step 5: Solve for x
    x = 107,711,984,019.63/348,593.24
  6. Step 6: Final answer
    x = 308,990.46

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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.