Home / 228,329.46-315,086.90-126,359.22

Finding the Fourth Proportional to 228,329.46, 315,086.90 and 126,359.22

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Solution

The fourth proportional to 228,329.46, 315,086.90 and 126,359.22 is: 174,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,329.46 : 315,086.90 = 126,359.22 : x
  2. Step 2: Convert to fraction form
    228,329.46/315,086.90 = 126,359.22/x
  3. Step 3: Cross multiply
    228,329.46x = 315,086.90 × 126,359.22
  4. Step 4: Simplify right side
    228,329.46x = 39,814,134,284.42
  5. Step 5: Solve for x
    x = 39,814,134,284.42/228,329.46
  6. Step 6: Final answer
    x = 174,371.43

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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.