Home / 245,717.40-339,194.63-165,191.63

Finding the Fourth Proportional to 245,717.40, 339,194.63 and 165,191.63

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Solution

The fourth proportional to 245,717.40, 339,194.63 and 165,191.63 is: 228,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,717.40 : 339,194.63 = 165,191.63 : x
  2. Step 2: Convert to fraction form
    245,717.40/339,194.63 = 165,191.63/x
  3. Step 3: Cross multiply
    245,717.40x = 339,194.63 × 165,191.63
  4. Step 4: Simplify right side
    245,717.40x = 56,032,112,533.95
  5. Step 5: Solve for x
    x = 56,032,112,533.95/245,717.40
  6. Step 6: Final answer
    x = 228,034.78

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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.