Home / 265,004.10-397,360.35-115,218.90

Finding the Fourth Proportional to 265,004.10, 397,360.35 and 115,218.90

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Solution

The fourth proportional to 265,004.10, 397,360.35 and 115,218.90 is: 172,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,004.10 : 397,360.35 = 115,218.90 : x
  2. Step 2: Convert to fraction form
    265,004.10/397,360.35 = 115,218.90/x
  3. Step 3: Cross multiply
    265,004.10x = 397,360.35 × 115,218.90
  4. Step 4: Simplify right side
    265,004.10x = 45,783,422,430.62
  5. Step 5: Solve for x
    x = 45,783,422,430.62/265,004.10
  6. Step 6: Final answer
    x = 172,764.96

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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.