Home / 222,424.48-307,020.60-135,209.26

Finding the Fourth Proportional to 222,424.48, 307,020.60 and 135,209.26

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Solution

The fourth proportional to 222,424.48, 307,020.60 and 135,209.26 is: 186,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,424.48 : 307,020.60 = 135,209.26 : x
  2. Step 2: Convert to fraction form
    222,424.48/307,020.60 = 135,209.26/x
  3. Step 3: Cross multiply
    222,424.48x = 307,020.60 × 135,209.26
  4. Step 4: Simplify right side
    222,424.48x = 41,512,028,130.76
  5. Step 5: Solve for x
    x = 41,512,028,130.76/222,424.48
  6. Step 6: Final answer
    x = 186,634.26

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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.