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Finding the Fourth Proportional to 217,277.56, 299,830.60 and 126,648.28

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Solution

The fourth proportional to 217,277.56, 299,830.60 and 126,648.28 is: 174,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,277.56 : 299,830.60 = 126,648.28 : x
  2. Step 2: Convert to fraction form
    217,277.56/299,830.60 = 126,648.28/x
  3. Step 3: Cross multiply
    217,277.56x = 299,830.60 × 126,648.28
  4. Step 4: Simplify right side
    217,277.56x = 37,973,029,781.37
  5. Step 5: Solve for x
    x = 37,973,029,781.37/217,277.56
  6. Step 6: Final answer
    x = 174,767.38

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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.