Home / 222,041.45-306,419.04-122,589.26

Finding the Fourth Proportional to 222,041.45, 306,419.04 and 122,589.26

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Solution

The fourth proportional to 222,041.45, 306,419.04 and 122,589.26 is: 169,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,041.45 : 306,419.04 = 122,589.26 : x
  2. Step 2: Convert to fraction form
    222,041.45/306,419.04 = 122,589.26/x
  3. Step 3: Cross multiply
    222,041.45x = 306,419.04 × 122,589.26
  4. Step 4: Simplify right side
    222,041.45x = 37,563,682,330.04
  5. Step 5: Solve for x
    x = 37,563,682,330.04/222,041.45
  6. Step 6: Final answer
    x = 169,174.19

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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.