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Finding the Fourth Proportional to 311,853.52, 468,568.56 and 299,242.23

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Solution

The fourth proportional to 311,853.52, 468,568.56 and 299,242.23 is: 449,619.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,853.52 : 468,568.56 = 299,242.23 : x
  2. Step 2: Convert to fraction form
    311,853.52/468,568.56 = 299,242.23/x
  3. Step 3: Cross multiply
    311,853.52x = 468,568.56 × 299,242.23
  4. Step 4: Simplify right side
    311,853.52x = 140,215,500,802.29
  5. Step 5: Solve for x
    x = 140,215,500,802.29/311,853.52
  6. Step 6: Final answer
    x = 449,619.75

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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.