Home / 305,518.92-458,169.03-105,785.68

Finding the Fourth Proportional to 305,518.92, 458,169.03 and 105,785.68

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Solution

The fourth proportional to 305,518.92, 458,169.03 and 105,785.68 is: 158,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,518.92 : 458,169.03 = 105,785.68 : x
  2. Step 2: Convert to fraction form
    305,518.92/458,169.03 = 105,785.68/x
  3. Step 3: Cross multiply
    305,518.92x = 458,169.03 × 105,785.68
  4. Step 4: Simplify right side
    305,518.92x = 48,467,722,393.49
  5. Step 5: Solve for x
    x = 48,467,722,393.49/305,518.92
  6. Step 6: Final answer
    x = 158,640.66

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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.