Home / 228,257.73-315,004.95-126,281.43

Finding the Fourth Proportional to 228,257.73, 315,004.95 and 126,281.43

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Solution

The fourth proportional to 228,257.73, 315,004.95 and 126,281.43 is: 174,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,257.73 : 315,004.95 = 126,281.43 : x
  2. Step 2: Convert to fraction form
    228,257.73/315,004.95 = 126,281.43/x
  3. Step 3: Cross multiply
    228,257.73x = 315,004.95 × 126,281.43
  4. Step 4: Simplify right side
    228,257.73x = 39,779,275,543.08
  5. Step 5: Solve for x
    x = 39,779,275,543.08/228,257.73
  6. Step 6: Final answer
    x = 174,273.51

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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.