Home / 226,454.21-312,513.89-124,487.53

Finding the Fourth Proportional to 226,454.21, 312,513.89 and 124,487.53

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Solution

The fourth proportional to 226,454.21, 312,513.89 and 124,487.53 is: 171,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,454.21 : 312,513.89 = 124,487.53 : x
  2. Step 2: Convert to fraction form
    226,454.21/312,513.89 = 124,487.53/x
  3. Step 3: Cross multiply
    226,454.21x = 312,513.89 × 124,487.53
  4. Step 4: Simplify right side
    226,454.21x = 38,904,080,853.07
  5. Step 5: Solve for x
    x = 38,904,080,853.07/226,454.21
  6. Step 6: Final answer
    x = 171,796.68

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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.