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Finding the Fourth Proportional to 341,382.40, 512,073.60 and 299,910.40

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Solution

The fourth proportional to 341,382.40, 512,073.60 and 299,910.40 is: 449,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,382.40 : 512,073.60 = 299,910.40 : x
  2. Step 2: Convert to fraction form
    341,382.40/512,073.60 = 299,910.40/x
  3. Step 3: Cross multiply
    341,382.40x = 512,073.60 × 299,910.40
  4. Step 4: Simplify right side
    341,382.40x = 153,576,198,205.44
  5. Step 5: Solve for x
    x = 153,576,198,205.44/341,382.40
  6. Step 6: Final answer
    x = 449,865.60

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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.