Home / 320,206.92-479,928.66-149,199.24

Finding the Fourth Proportional to 320,206.92, 479,928.66 and 149,199.24

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Solution

The fourth proportional to 320,206.92, 479,928.66 and 149,199.24 is: 223,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,206.92 : 479,928.66 = 149,199.24 : x
  2. Step 2: Convert to fraction form
    320,206.92/479,928.66 = 149,199.24/x
  3. Step 3: Cross multiply
    320,206.92x = 479,928.66 × 149,199.24
  4. Step 4: Simplify right side
    320,206.92x = 71,604,991,326.22
  5. Step 5: Solve for x
    x = 71,604,991,326.22/320,206.92
  6. Step 6: Final answer
    x = 223,621.00

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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.