Home / 349,431.02-523,836.24-136,149.50

Finding the Fourth Proportional to 349,431.02, 523,836.24 and 136,149.50

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Solution

The fourth proportional to 349,431.02, 523,836.24 and 136,149.50 is: 204,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,431.02 : 523,836.24 = 136,149.50 : x
  2. Step 2: Convert to fraction form
    349,431.02/523,836.24 = 136,149.50/x
  3. Step 3: Cross multiply
    349,431.02x = 523,836.24 × 136,149.50
  4. Step 4: Simplify right side
    349,431.02x = 71,320,042,157.88
  5. Step 5: Solve for x
    x = 71,320,042,157.88/349,431.02
  6. Step 6: Final answer
    x = 204,103.35

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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.