Home / 226,231.47-312,203.19-124,266.36

Finding the Fourth Proportional to 226,231.47, 312,203.19 and 124,266.36

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Solution

The fourth proportional to 226,231.47, 312,203.19 and 124,266.36 is: 171,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,231.47 : 312,203.19 = 124,266.36 : x
  2. Step 2: Convert to fraction form
    226,231.47/312,203.19 = 124,266.36/x
  3. Step 3: Cross multiply
    226,231.47x = 312,203.19 × 124,266.36
  4. Step 4: Simplify right side
    226,231.47x = 38,796,354,001.69
  5. Step 5: Solve for x
    x = 38,796,354,001.69/226,231.47
  6. Step 6: Final answer
    x = 171,489.64

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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.