Home / 217,748.28-300,484.92-122,259

Finding the Fourth Proportional to 217,748.28, 300,484.92 and 122,259

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Solution

The fourth proportional to 217,748.28, 300,484.92 and 122,259 is: 168,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,748.28 : 300,484.92 = 122,259 : x
  2. Step 2: Convert to fraction form
    217,748.28/300,484.92 = 122,259/x
  3. Step 3: Cross multiply
    217,748.28x = 300,484.92 × 122,259
  4. Step 4: Simplify right side
    217,748.28x = 36,736,985,834.28
  5. Step 5: Solve for x
    x = 36,736,985,834.28/217,748.28
  6. Step 6: Final answer
    x = 168,713.09

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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.