Home / 226,463.45-312,523.47-124,493.21

Finding the Fourth Proportional to 226,463.45, 312,523.47 and 124,493.21

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Solution

The fourth proportional to 226,463.45, 312,523.47 and 124,493.21 is: 171,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,463.45 : 312,523.47 = 124,493.21 : x
  2. Step 2: Convert to fraction form
    226,463.45/312,523.47 = 124,493.21/x
  3. Step 3: Cross multiply
    226,463.45x = 312,523.47 × 124,493.21
  4. Step 4: Simplify right side
    226,463.45x = 38,907,049,980.64
  5. Step 5: Solve for x
    x = 38,907,049,980.64/226,463.45
  6. Step 6: Final answer
    x = 171,802.78

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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.