Home / 343,732.20-515,015.10-284,245.80

Finding the Fourth Proportional to 343,732.20, 515,015.10 and 284,245.80

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Solution

The fourth proportional to 343,732.20, 515,015.10 and 284,245.80 is: 425,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,732.20 : 515,015.10 = 284,245.80 : x
  2. Step 2: Convert to fraction form
    343,732.20/515,015.10 = 284,245.80/x
  3. Step 3: Cross multiply
    343,732.20x = 515,015.10 × 284,245.80
  4. Step 4: Simplify right side
    343,732.20x = 146,390,879,111.58
  5. Step 5: Solve for x
    x = 146,390,879,111.58/343,732.20
  6. Step 6: Final answer
    x = 425,886.43

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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.