Home / 447,705.82-671,792.01-198,329.50

Finding the Fourth Proportional to 447,705.82, 671,792.01 and 198,329.50

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Solution

The fourth proportional to 447,705.82, 671,792.01 and 198,329.50 is: 297,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,705.82 : 671,792.01 = 198,329.50 : x
  2. Step 2: Convert to fraction form
    447,705.82/671,792.01 = 198,329.50/x
  3. Step 3: Cross multiply
    447,705.82x = 671,792.01 × 198,329.50
  4. Step 4: Simplify right side
    447,705.82x = 133,236,173,447.30
  5. Step 5: Solve for x
    x = 133,236,173,447.30/447,705.82
  6. Step 6: Final answer
    x = 297,597.59

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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.