Home / 348,531.30-522,786.15-99,213.30

Finding the Fourth Proportional to 348,531.30, 522,786.15 and 99,213.30

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Solution

The fourth proportional to 348,531.30, 522,786.15 and 99,213.30 is: 148,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,531.30 : 522,786.15 = 99,213.30 : x
  2. Step 2: Convert to fraction form
    348,531.30/522,786.15 = 99,213.30/x
  3. Step 3: Cross multiply
    348,531.30x = 522,786.15 × 99,213.30
  4. Step 4: Simplify right side
    348,531.30x = 51,867,339,135.80
  5. Step 5: Solve for x
    x = 51,867,339,135.80/348,531.30
  6. Step 6: Final answer
    x = 148,816.88

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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.