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Finding the Fourth Proportional to 405,229.60, 606,969.60 and 335,245.60

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Solution

The fourth proportional to 405,229.60, 606,969.60 and 335,245.60 is: 502,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,229.60 : 606,969.60 = 335,245.60 : x
  2. Step 2: Convert to fraction form
    405,229.60/606,969.60 = 335,245.60/x
  3. Step 3: Cross multiply
    405,229.60x = 606,969.60 × 335,245.60
  4. Step 4: Simplify right side
    405,229.60x = 203,483,887,733.76
  5. Step 5: Solve for x
    x = 203,483,887,733.76/405,229.60
  6. Step 6: Final answer
    x = 502,144.68

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1.5x scale

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.