Home / 341,833.23-512,651.03-131,421.15

Finding the Fourth Proportional to 341,833.23, 512,651.03 and 131,421.15

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Solution

The fourth proportional to 341,833.23, 512,651.03 and 131,421.15 is: 197,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,833.23 : 512,651.03 = 131,421.15 : x
  2. Step 2: Convert to fraction form
    341,833.23/512,651.03 = 131,421.15/x
  3. Step 3: Cross multiply
    341,833.23x = 512,651.03 × 131,421.15
  4. Step 4: Simplify right side
    341,833.23x = 67,373,187,254.18
  5. Step 5: Solve for x
    x = 67,373,187,254.18/341,833.23
  6. Step 6: Final answer
    x = 197,093.73

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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.