Home / 211,407.90-291,780.19-126,524.76

Finding the Fourth Proportional to 211,407.90, 291,780.19 and 126,524.76

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Solution

The fourth proportional to 211,407.90, 291,780.19 and 126,524.76 is: 174,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,407.90 : 291,780.19 = 126,524.76 : x
  2. Step 2: Convert to fraction form
    211,407.90/291,780.19 = 126,524.76/x
  3. Step 3: Cross multiply
    211,407.90x = 291,780.19 × 126,524.76
  4. Step 4: Simplify right side
    211,407.90x = 36,917,418,512.50
  5. Step 5: Solve for x
    x = 36,917,418,512.50/211,407.90
  6. Step 6: Final answer
    x = 174,626.49

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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.