Home / 303,650.14-455,229.06-126,289.84

Finding the Fourth Proportional to 303,650.14, 455,229.06 and 126,289.84

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Solution

The fourth proportional to 303,650.14, 455,229.06 and 126,289.84 is: 189,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,650.14 : 455,229.06 = 126,289.84 : x
  2. Step 2: Convert to fraction form
    303,650.14/455,229.06 = 126,289.84/x
  3. Step 3: Cross multiply
    303,650.14x = 455,229.06 × 126,289.84
  4. Step 4: Simplify right side
    303,650.14x = 57,490,805,150.75
  5. Step 5: Solve for x
    x = 57,490,805,150.75/303,650.14
  6. Step 6: Final answer
    x = 189,332.38

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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.