Home / 227,018.72-313,258.40-130,217.56

Finding the Fourth Proportional to 227,018.72, 313,258.40 and 130,217.56

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Solution

The fourth proportional to 227,018.72, 313,258.40 and 130,217.56 is: 179,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,018.72 : 313,258.40 = 130,217.56 : x
  2. Step 2: Convert to fraction form
    227,018.72/313,258.40 = 130,217.56/x
  3. Step 3: Cross multiply
    227,018.72x = 313,258.40 × 130,217.56
  4. Step 4: Simplify right side
    227,018.72x = 40,791,744,497.50
  5. Step 5: Solve for x
    x = 40,791,744,497.50/227,018.72
  6. Step 6: Final answer
    x = 179,684.50

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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.