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Finding the Fourth Proportional to 220,001.86, 303,602.69 and 119,399.86

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Solution

The fourth proportional to 220,001.86, 303,602.69 and 119,399.86 is: 164,771.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,001.86 : 303,602.69 = 119,399.86 : x
  2. Step 2: Convert to fraction form
    220,001.86/303,602.69 = 119,399.86/x
  3. Step 3: Cross multiply
    220,001.86x = 303,602.69 × 119,399.86
  4. Step 4: Simplify right side
    220,001.86x = 36,250,117,549.49
  5. Step 5: Solve for x
    x = 36,250,117,549.49/220,001.86
  6. Step 6: Final answer
    x = 164,771.87

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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.