Home / 334,861.13-462,229.67-221,720.33

Finding the Fourth Proportional to 334,861.13, 462,229.67 and 221,720.33

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Solution

The fourth proportional to 334,861.13, 462,229.67 and 221,720.33 is: 306,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,861.13 : 462,229.67 = 221,720.33 : x
  2. Step 2: Convert to fraction form
    334,861.13/462,229.67 = 221,720.33/x
  3. Step 3: Cross multiply
    334,861.13x = 462,229.67 × 221,720.33
  4. Step 4: Simplify right side
    334,861.13x = 102,485,714,968.19
  5. Step 5: Solve for x
    x = 102,485,714,968.19/334,861.13
  6. Step 6: Final answer
    x = 306,054.38

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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.