Home / 222,802.20-307,486.47-122,219.64

Finding the Fourth Proportional to 222,802.20, 307,486.47 and 122,219.64

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Solution

The fourth proportional to 222,802.20, 307,486.47 and 122,219.64 is: 168,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,802.20 : 307,486.47 = 122,219.64 : x
  2. Step 2: Convert to fraction form
    222,802.20/307,486.47 = 122,219.64/x
  3. Step 3: Cross multiply
    222,802.20x = 307,486.47 × 122,219.64
  4. Step 4: Simplify right side
    222,802.20x = 37,580,885,668.27
  5. Step 5: Solve for x
    x = 37,580,885,668.27/222,802.20
  6. Step 6: Final answer
    x = 168,673.76

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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.