Home / 331,528.44-497,289-198,445.80

Finding the Fourth Proportional to 331,528.44, 497,289 and 198,445.80

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Solution

The fourth proportional to 331,528.44, 497,289 and 198,445.80 is: 297,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,528.44 : 497,289 = 198,445.80 : x
  2. Step 2: Convert to fraction form
    331,528.44/497,289 = 198,445.80/x
  3. Step 3: Cross multiply
    331,528.44x = 497,289 × 198,445.80
  4. Step 4: Simplify right side
    331,528.44x = 98,684,913,436.20
  5. Step 5: Solve for x
    x = 98,684,913,436.20/331,528.44
  6. Step 6: Final answer
    x = 297,666.51

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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.