Home / 226,275.09-339,555.81-126,500.74

Finding the Fourth Proportional to 226,275.09, 339,555.81 and 126,500.74

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Solution

The fourth proportional to 226,275.09, 339,555.81 and 126,500.74 is: 189,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,275.09 : 339,555.81 = 126,500.74 : x
  2. Step 2: Convert to fraction form
    226,275.09/339,555.81 = 126,500.74/x
  3. Step 3: Cross multiply
    226,275.09x = 339,555.81 × 126,500.74
  4. Step 4: Simplify right side
    226,275.09x = 42,954,059,854.77
  5. Step 5: Solve for x
    x = 42,954,059,854.77/226,275.09
  6. Step 6: Final answer
    x = 189,831.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.