Home / 291,145.26-436,018.05-166,107.18

Finding the Fourth Proportional to 291,145.26, 436,018.05 and 166,107.18

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Solution

The fourth proportional to 291,145.26, 436,018.05 and 166,107.18 is: 248,761.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,145.26 : 436,018.05 = 166,107.18 : x
  2. Step 2: Convert to fraction form
    291,145.26/436,018.05 = 166,107.18/x
  3. Step 3: Cross multiply
    291,145.26x = 436,018.05 × 166,107.18
  4. Step 4: Simplify right side
    291,145.26x = 72,425,728,714.60
  5. Step 5: Solve for x
    x = 72,425,728,714.60/291,145.26
  6. Step 6: Final answer
    x = 248,761.49

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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.