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Finding the Fourth Proportional to 220,201.35, 303,879.39 and 119,599.35

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Solution

The fourth proportional to 220,201.35, 303,879.39 and 119,599.35 is: 165,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,201.35 : 303,879.39 = 119,599.35 : x
  2. Step 2: Convert to fraction form
    220,201.35/303,879.39 = 119,599.35/x
  3. Step 3: Cross multiply
    220,201.35x = 303,879.39 × 119,599.35
  4. Step 4: Simplify right side
    220,201.35x = 36,343,777,522.40
  5. Step 5: Solve for x
    x = 36,343,777,522.40/220,201.35
  6. Step 6: Final answer
    x = 165,047.93

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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.