Home / 405,159.68-559,118.22-223,884.12

Finding the Fourth Proportional to 405,159.68, 559,118.22 and 223,884.12

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Solution

The fourth proportional to 405,159.68, 559,118.22 and 223,884.12 is: 308,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,159.68 : 559,118.22 = 223,884.12 : x
  2. Step 2: Convert to fraction form
    405,159.68/559,118.22 = 223,884.12/x
  3. Step 3: Cross multiply
    405,159.68x = 559,118.22 × 223,884.12
  4. Step 4: Simplify right side
    405,159.68x = 125,177,690,660.67
  5. Step 5: Solve for x
    x = 125,177,690,660.67/405,159.68
  6. Step 6: Final answer
    x = 308,958.90

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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.