Home / 328,971.02-453,790.52-198,057.54

Finding the Fourth Proportional to 328,971.02, 453,790.52 and 198,057.54

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Solution

The fourth proportional to 328,971.02, 453,790.52 and 198,057.54 is: 273,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,971.02 : 453,790.52 = 198,057.54 : x
  2. Step 2: Convert to fraction form
    328,971.02/453,790.52 = 198,057.54/x
  3. Step 3: Cross multiply
    328,971.02x = 453,790.52 × 198,057.54
  4. Step 4: Simplify right side
    328,971.02x = 89,876,630,807.28
  5. Step 5: Solve for x
    x = 89,876,630,807.28/328,971.02
  6. Step 6: Final answer
    x = 273,205.31

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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.