Home / 217,553.18-300,224.48-122,060.55

Finding the Fourth Proportional to 217,553.18, 300,224.48 and 122,060.55

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Solution

The fourth proportional to 217,553.18, 300,224.48 and 122,060.55 is: 168,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,553.18 : 300,224.48 = 122,060.55 : x
  2. Step 2: Convert to fraction form
    217,553.18/300,224.48 = 122,060.55/x
  3. Step 3: Cross multiply
    217,553.18x = 300,224.48 × 122,060.55
  4. Step 4: Simplify right side
    217,553.18x = 36,645,565,667.80
  5. Step 5: Solve for x
    x = 36,645,565,667.80/217,553.18
  6. Step 6: Final answer
    x = 168,444.18

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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.