Home / 245,944.35-339,427.41-143,963.63

Finding the Fourth Proportional to 245,944.35, 339,427.41 and 143,963.63

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Solution

The fourth proportional to 245,944.35, 339,427.41 and 143,963.63 is: 198,683.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,944.35 : 339,427.41 = 143,963.63 : x
  2. Step 2: Convert to fraction form
    245,944.35/339,427.41 = 143,963.63/x
  3. Step 3: Cross multiply
    245,944.35x = 339,427.41 × 143,963.63
  4. Step 4: Simplify right side
    245,944.35x = 48,865,202,065.10
  5. Step 5: Solve for x
    x = 48,865,202,065.10/245,944.35
  6. Step 6: Final answer
    x = 198,683.98

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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.