Home / 397,940.88-596,536.10-198,072.32

Finding the Fourth Proportional to 397,940.88, 596,536.10 and 198,072.32

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Solution

The fourth proportional to 397,940.88, 596,536.10 and 198,072.32 is: 296,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,940.88 : 596,536.10 = 198,072.32 : x
  2. Step 2: Convert to fraction form
    397,940.88/596,536.10 = 198,072.32/x
  3. Step 3: Cross multiply
    397,940.88x = 596,536.10 × 198,072.32
  4. Step 4: Simplify right side
    397,940.88x = 118,157,289,290.75
  5. Step 5: Solve for x
    x = 118,157,289,290.75/397,940.88
  6. Step 6: Final answer
    x = 296,921.72

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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.