Home / 315,650.19-435,579.62-179,717.25

Finding the Fourth Proportional to 315,650.19, 435,579.62 and 179,717.25

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Solution

The fourth proportional to 315,650.19, 435,579.62 and 179,717.25 is: 247,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,650.19 : 435,579.62 = 179,717.25 : x
  2. Step 2: Convert to fraction form
    315,650.19/435,579.62 = 179,717.25/x
  3. Step 3: Cross multiply
    315,650.19x = 435,579.62 × 179,717.25
  4. Step 4: Simplify right side
    315,650.19x = 78,281,170,563.86
  5. Step 5: Solve for x
    x = 78,281,170,563.86/315,650.19
  6. Step 6: Final answer
    x = 247,999.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.