Home / 291,918.90-437,987.70-114,553.20

Finding the Fourth Proportional to 291,918.90, 437,987.70 and 114,553.20

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Solution

The fourth proportional to 291,918.90, 437,987.70 and 114,553.20 is: 171,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,918.90 : 437,987.70 = 114,553.20 : x
  2. Step 2: Convert to fraction form
    291,918.90/437,987.70 = 114,553.20/x
  3. Step 3: Cross multiply
    291,918.90x = 437,987.70 × 114,553.20
  4. Step 4: Simplify right side
    291,918.90x = 50,172,892,595.64
  5. Step 5: Solve for x
    x = 50,172,892,595.64/291,918.90
  6. Step 6: Final answer
    x = 171,872.71

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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.