Home / 331,977.15-497,993.15-139,907.14

Finding the Fourth Proportional to 331,977.15, 497,993.15 and 139,907.14

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Solution

The fourth proportional to 331,977.15, 497,993.15 and 139,907.14 is: 209,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,977.15 : 497,993.15 = 139,907.14 : x
  2. Step 2: Convert to fraction form
    331,977.15/497,993.15 = 139,907.14/x
  3. Step 3: Cross multiply
    331,977.15x = 497,993.15 × 139,907.14
  4. Step 4: Simplify right side
    331,977.15x = 69,672,796,460.88
  5. Step 5: Solve for x
    x = 69,672,796,460.88/331,977.15
  6. Step 6: Final answer
    x = 209,872.27

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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.