Home / 245,720.15-339,198.42-165,194.39

Finding the Fourth Proportional to 245,720.15, 339,198.42 and 165,194.39

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Solution

The fourth proportional to 245,720.15, 339,198.42 and 165,194.39 is: 228,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,720.15 : 339,198.42 = 165,194.39 : x
  2. Step 2: Convert to fraction form
    245,720.15/339,198.42 = 165,194.39/x
  3. Step 3: Cross multiply
    245,720.15x = 339,198.42 × 165,194.39
  4. Step 4: Simplify right side
    245,720.15x = 56,033,676,080.86
  5. Step 5: Solve for x
    x = 56,033,676,080.86/245,720.15
  6. Step 6: Final answer
    x = 228,038.59

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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.