Home / 671,442.12-1,007,190.96-198,127.49

Finding the Fourth Proportional to 671,442.12, 1,007,190.96 and 198,127.49

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Solution

The fourth proportional to 671,442.12, 1,007,190.96 and 198,127.49 is: 297,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,442.12 : 1,007,190.96 = 198,127.49 : x
  2. Step 2: Convert to fraction form
    671,442.12/1,007,190.96 = 198,127.49/x
  3. Step 3: Cross multiply
    671,442.12x = 1,007,190.96 × 198,127.49
  4. Step 4: Simplify right side
    671,442.12x = 199,552,211,076.56
  5. Step 5: Solve for x
    x = 199,552,211,076.56/671,442.12
  6. Step 6: Final answer
    x = 297,199.42

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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.