Home / 321,525.09-482,189.10-222,322.77

Finding the Fourth Proportional to 321,525.09, 482,189.10 and 222,322.77

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Solution

The fourth proportional to 321,525.09, 482,189.10 and 222,322.77 is: 333,416.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,525.09 : 482,189.10 = 222,322.77 : x
  2. Step 2: Convert to fraction form
    321,525.09/482,189.10 = 222,322.77/x
  3. Step 3: Cross multiply
    321,525.09x = 482,189.10 × 222,322.77
  4. Step 4: Simplify right side
    321,525.09x = 107,201,616,375.81
  5. Step 5: Solve for x
    x = 107,201,616,375.81/321,525.09
  6. Step 6: Final answer
    x = 333,416.02

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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.