Home / 222,430.68-306,955.83-120,456.23

Finding the Fourth Proportional to 222,430.68, 306,955.83 and 120,456.23

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Solution

The fourth proportional to 222,430.68, 306,955.83 and 120,456.23 is: 166,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,430.68 : 306,955.83 = 120,456.23 : x
  2. Step 2: Convert to fraction form
    222,430.68/306,955.83 = 120,456.23/x
  3. Step 3: Cross multiply
    222,430.68x = 306,955.83 × 120,456.23
  4. Step 4: Simplify right side
    222,430.68x = 36,974,740,523.54
  5. Step 5: Solve for x
    x = 36,974,740,523.54/222,430.68
  6. Step 6: Final answer
    x = 166,230.40

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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.