Home / 309,380.58-464,004.05-109,707.48

Finding the Fourth Proportional to 309,380.58, 464,004.05 and 109,707.48

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Solution

The fourth proportional to 309,380.58, 464,004.05 and 109,707.48 is: 164,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,380.58 : 464,004.05 = 109,707.48 : x
  2. Step 2: Convert to fraction form
    309,380.58/464,004.05 = 109,707.48/x
  3. Step 3: Cross multiply
    309,380.58x = 464,004.05 × 109,707.48
  4. Step 4: Simplify right side
    309,380.58x = 50,904,714,486.76
  5. Step 5: Solve for x
    x = 50,904,714,486.76/309,380.58
  6. Step 6: Final answer
    x = 164,537.52

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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.