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Finding the Fourth Proportional to 220,009.38, 303,612.87 and 119,407.38

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Solution

The fourth proportional to 220,009.38, 303,612.87 and 119,407.38 is: 164,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,009.38 : 303,612.87 = 119,407.38 : x
  2. Step 2: Convert to fraction form
    220,009.38/303,612.87 = 119,407.38/x
  3. Step 3: Cross multiply
    220,009.38x = 303,612.87 × 119,407.38
  4. Step 4: Simplify right side
    220,009.38x = 36,253,617,340.98
  5. Step 5: Solve for x
    x = 36,253,617,340.98/220,009.38
  6. Step 6: Final answer
    x = 164,782.14

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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.