Home / 319,614.46-440,933.76-224,183.50

Finding the Fourth Proportional to 319,614.46, 440,933.76 and 224,183.50

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Solution

The fourth proportional to 319,614.46, 440,933.76 and 224,183.50 is: 309,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,614.46 : 440,933.76 = 224,183.50 : x
  2. Step 2: Convert to fraction form
    319,614.46/440,933.76 = 224,183.50/x
  3. Step 3: Cross multiply
    319,614.46x = 440,933.76 × 224,183.50
  4. Step 4: Simplify right side
    319,614.46x = 98,850,073,584.96
  5. Step 5: Solve for x
    x = 98,850,073,584.96/319,614.46
  6. Step 6: Final answer
    x = 309,279.10

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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.