Home / 228,258.73-315,006.33-126,282.43

Finding the Fourth Proportional to 228,258.73, 315,006.33 and 126,282.43

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Solution

The fourth proportional to 228,258.73, 315,006.33 and 126,282.43 is: 174,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,258.73 : 315,006.33 = 126,282.43 : x
  2. Step 2: Convert to fraction form
    228,258.73/315,006.33 = 126,282.43/x
  3. Step 3: Cross multiply
    228,258.73x = 315,006.33 × 126,282.43
  4. Step 4: Simplify right side
    228,258.73x = 39,779,764,817.78
  5. Step 5: Solve for x
    x = 39,779,764,817.78/228,258.73
  6. Step 6: Final answer
    x = 174,274.89

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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.