Home / 245,719.09-339,196.96-165,193.31

Finding the Fourth Proportional to 245,719.09, 339,196.96 and 165,193.31

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Solution

The fourth proportional to 245,719.09, 339,196.96 and 165,193.31 is: 228,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,719.09 : 339,196.96 = 165,193.31 : x
  2. Step 2: Convert to fraction form
    245,719.09/339,196.96 = 165,193.31/x
  3. Step 3: Cross multiply
    245,719.09x = 339,196.96 × 165,193.31
  4. Step 4: Simplify right side
    245,719.09x = 56,033,069,618.82
  5. Step 5: Solve for x
    x = 56,033,069,618.82/245,719.09
  6. Step 6: Final answer
    x = 228,037.10

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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.