Home / 228,789.28-315,741.74-126,826.82

Finding the Fourth Proportional to 228,789.28, 315,741.74 and 126,826.82

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Solution

The fourth proportional to 228,789.28, 315,741.74 and 126,826.82 is: 175,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,789.28 : 315,741.74 = 126,826.82 : x
  2. Step 2: Convert to fraction form
    228,789.28/315,741.74 = 126,826.82/x
  3. Step 3: Cross multiply
    228,789.28x = 315,741.74 × 126,826.82
  4. Step 4: Simplify right side
    228,789.28x = 40,044,520,825.47
  5. Step 5: Solve for x
    x = 40,044,520,825.47/228,789.28
  6. Step 6: Final answer
    x = 175,027.96

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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.