Home / 331,528.80-497,293.20-205,557.60

Finding the Fourth Proportional to 331,528.80, 497,293.20 and 205,557.60

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Solution

The fourth proportional to 331,528.80, 497,293.20 and 205,557.60 is: 308,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,528.80 : 497,293.20 = 205,557.60 : x
  2. Step 2: Convert to fraction form
    331,528.80/497,293.20 = 205,557.60/x
  3. Step 3: Cross multiply
    331,528.80x = 497,293.20 × 205,557.60
  4. Step 4: Simplify right side
    331,528.80x = 102,222,396,688.32
  5. Step 5: Solve for x
    x = 102,222,396,688.32/331,528.80
  6. Step 6: Final answer
    x = 308,336.40

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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.