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Finding the Fourth Proportional to 295,652.62, 407,879.80 and 218,313.58

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Solution

The fourth proportional to 295,652.62, 407,879.80 and 218,313.58 is: 301,183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,652.62 : 407,879.80 = 218,313.58 : x
  2. Step 2: Convert to fraction form
    295,652.62/407,879.80 = 218,313.58/x
  3. Step 3: Cross multiply
    295,652.62x = 407,879.80 × 218,313.58
  4. Step 4: Simplify right side
    295,652.62x = 89,045,699,347.68
  5. Step 5: Solve for x
    x = 89,045,699,347.68/295,652.62
  6. Step 6: Final answer
    x = 301,183.53

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1.5x scale

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.