Home / 222,309.36-306,816.12-126,794.16

Finding the Fourth Proportional to 222,309.36, 306,816.12 and 126,794.16

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Solution

The fourth proportional to 222,309.36, 306,816.12 and 126,794.16 is: 174,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,309.36 : 306,816.12 = 126,794.16 : x
  2. Step 2: Convert to fraction form
    222,309.36/306,816.12 = 126,794.16/x
  3. Step 3: Cross multiply
    222,309.36x = 306,816.12 × 126,794.16
  4. Step 4: Simplify right side
    222,309.36x = 38,902,492,209.86
  5. Step 5: Solve for x
    x = 38,902,492,209.86/222,309.36
  6. Step 6: Final answer
    x = 174,992.60

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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.