Home / 245,721.01-339,199.65-165,195.25

Finding the Fourth Proportional to 245,721.01, 339,199.65 and 165,195.25

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Solution

The fourth proportional to 245,721.01, 339,199.65 and 165,195.25 is: 228,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,721.01 : 339,199.65 = 165,195.25 : x
  2. Step 2: Convert to fraction form
    245,721.01/339,199.65 = 165,195.25/x
  3. Step 3: Cross multiply
    245,721.01x = 339,199.65 × 165,195.25
  4. Step 4: Simplify right side
    245,721.01x = 56,034,170,981.66
  5. Step 5: Solve for x
    x = 56,034,170,981.66/245,721.01
  6. Step 6: Final answer
    x = 228,039.80

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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.