Home / 311,400.09-465,393.65-227,337.26

Finding the Fourth Proportional to 311,400.09, 465,393.65 and 227,337.26

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Solution

The fourth proportional to 311,400.09, 465,393.65 and 227,337.26 is: 339,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,400.09 : 465,393.65 = 227,337.26 : x
  2. Step 2: Convert to fraction form
    311,400.09/465,393.65 = 227,337.26/x
  3. Step 3: Cross multiply
    311,400.09x = 465,393.65 × 227,337.26
  4. Step 4: Simplify right side
    311,400.09x = 105,801,313,748.74
  5. Step 5: Solve for x
    x = 105,801,313,748.74/311,400.09
  6. Step 6: Final answer
    x = 339,760.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.