Home / 245,715.90-339,192.56-165,190.13

Finding the Fourth Proportional to 245,715.90, 339,192.56 and 165,190.13

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Solution

The fourth proportional to 245,715.90, 339,192.56 and 165,190.13 is: 228,032.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,715.90 : 339,192.56 = 165,190.13 : x
  2. Step 2: Convert to fraction form
    245,715.90/339,192.56 = 165,190.13/x
  3. Step 3: Cross multiply
    245,715.90x = 339,192.56 × 165,190.13
  4. Step 4: Simplify right side
    245,715.90x = 56,031,262,116.44
  5. Step 5: Solve for x
    x = 56,031,262,116.44/245,715.90
  6. Step 6: Final answer
    x = 228,032.71

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1.5x scale

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.