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Finding the Fourth Proportional to 218,026.58, 300,849.62 and 126,161.64

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Solution

The fourth proportional to 218,026.58, 300,849.62 and 126,161.64 is: 174,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,026.58 : 300,849.62 = 126,161.64 : x
  2. Step 2: Convert to fraction form
    218,026.58/300,849.62 = 126,161.64/x
  3. Step 3: Cross multiply
    218,026.58x = 300,849.62 × 126,161.64
  4. Step 4: Simplify right side
    218,026.58x = 37,955,681,452.58
  5. Step 5: Solve for x
    x = 37,955,681,452.58/218,026.58
  6. Step 6: Final answer
    x = 174,087.40

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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.