Home / 331,930.58-497,895.10-142,267.96

Finding the Fourth Proportional to 331,930.58, 497,895.10 and 142,267.96

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Solution

The fourth proportional to 331,930.58, 497,895.10 and 142,267.96 is: 213,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,930.58 : 497,895.10 = 142,267.96 : x
  2. Step 2: Convert to fraction form
    331,930.58/497,895.10 = 142,267.96/x
  3. Step 3: Cross multiply
    331,930.58x = 497,895.10 × 142,267.96
  4. Step 4: Simplify right side
    331,930.58x = 70,834,521,237.95
  5. Step 5: Solve for x
    x = 70,834,521,237.95/331,930.58
  6. Step 6: Final answer
    x = 213,401.62

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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.