Home / 245,719.34-339,197.32-165,193.57

Finding the Fourth Proportional to 245,719.34, 339,197.32 and 165,193.57

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Solution

The fourth proportional to 245,719.34, 339,197.32 and 165,193.57 is: 228,037.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,719.34 : 339,197.32 = 165,193.57 : x
  2. Step 2: Convert to fraction form
    245,719.34/339,197.32 = 165,193.57/x
  3. Step 3: Cross multiply
    245,719.34x = 339,197.32 × 165,193.57
  4. Step 4: Simplify right side
    245,719.34x = 56,033,215,901.73
  5. Step 5: Solve for x
    x = 56,033,215,901.73/245,719.34
  6. Step 6: Final answer
    x = 228,037.47

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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.