Home / 306,324.60-458,450.10-268,999.80

Finding the Fourth Proportional to 306,324.60, 458,450.10 and 268,999.80

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Solution

The fourth proportional to 306,324.60, 458,450.10 and 268,999.80 is: 402,589.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,324.60 : 458,450.10 = 268,999.80 : x
  2. Step 2: Convert to fraction form
    306,324.60/458,450.10 = 268,999.80/x
  3. Step 3: Cross multiply
    306,324.60x = 458,450.10 × 268,999.80
  4. Step 4: Simplify right side
    306,324.60x = 123,322,985,209.98
  5. Step 5: Solve for x
    x = 123,322,985,209.98/306,324.60
  6. Step 6: Final answer
    x = 402,589.23

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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.