Home / 331,238.57-497,005.34-120,827.30

Finding the Fourth Proportional to 331,238.57, 497,005.34 and 120,827.30

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Solution

The fourth proportional to 331,238.57, 497,005.34 and 120,827.30 is: 181,294.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,238.57 : 497,005.34 = 120,827.30 : x
  2. Step 2: Convert to fraction form
    331,238.57/497,005.34 = 120,827.30/x
  3. Step 3: Cross multiply
    331,238.57x = 497,005.34 × 120,827.30
  4. Step 4: Simplify right side
    331,238.57x = 60,051,810,228.62
  5. Step 5: Solve for x
    x = 60,051,810,228.62/331,238.57
  6. Step 6: Final answer
    x = 181,294.74

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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.