Home / 222,962.91-307,560.13-142,299.52

Finding the Fourth Proportional to 222,962.91, 307,560.13 and 142,299.52

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Solution

The fourth proportional to 222,962.91, 307,560.13 and 142,299.52 is: 196,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,962.91 : 307,560.13 = 142,299.52 : x
  2. Step 2: Convert to fraction form
    222,962.91/307,560.13 = 142,299.52/x
  3. Step 3: Cross multiply
    222,962.91x = 307,560.13 × 142,299.52
  4. Step 4: Simplify right side
    222,962.91x = 43,765,658,870.14
  5. Step 5: Solve for x
    x = 43,765,658,870.14/222,962.91
  6. Step 6: Final answer
    x = 196,291.21

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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.