Home / 245,943.32-339,558.47-200,729.15

Finding the Fourth Proportional to 245,943.32, 339,558.47 and 200,729.15

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Solution

The fourth proportional to 245,943.32, 339,558.47 and 200,729.15 is: 277,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,943.32 : 339,558.47 = 200,729.15 : x
  2. Step 2: Convert to fraction form
    245,943.32/339,558.47 = 200,729.15/x
  3. Step 3: Cross multiply
    245,943.32x = 339,558.47 × 200,729.15
  4. Step 4: Simplify right side
    245,943.32x = 68,159,281,862.43
  5. Step 5: Solve for x
    x = 68,159,281,862.43/245,943.32
  6. Step 6: Final answer
    x = 277,134.11

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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.