Home / 245,975.18-339,469.88-143,994.44

Finding the Fourth Proportional to 245,975.18, 339,469.88 and 143,994.44

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Solution

The fourth proportional to 245,975.18, 339,469.88 and 143,994.44 is: 198,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,975.18 : 339,469.88 = 143,994.44 : x
  2. Step 2: Convert to fraction form
    245,975.18/339,469.88 = 143,994.44/x
  3. Step 3: Cross multiply
    245,975.18x = 339,469.88 × 143,994.44
  4. Step 4: Simplify right side
    245,975.18x = 48,881,772,850.15
  5. Step 5: Solve for x
    x = 48,881,772,850.15/245,975.18
  6. Step 6: Final answer
    x = 198,726.45

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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.