Home / 227,108.71-313,417.11-130,330.27

Finding the Fourth Proportional to 227,108.71, 313,417.11 and 130,330.27

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Solution

The fourth proportional to 227,108.71, 313,417.11 and 130,330.27 is: 179,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,108.71 : 313,417.11 = 130,330.27 : x
  2. Step 2: Convert to fraction form
    227,108.71/313,417.11 = 130,330.27/x
  3. Step 3: Cross multiply
    227,108.71x = 313,417.11 × 130,330.27
  4. Step 4: Simplify right side
    227,108.71x = 40,847,735,001.83
  5. Step 5: Solve for x
    x = 40,847,735,001.83/227,108.71
  6. Step 6: Final answer
    x = 179,859.84

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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.