Home / 226,534.80-312,611.37-124,560.15

Finding the Fourth Proportional to 226,534.80, 312,611.37 and 124,560.15

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Solution

The fourth proportional to 226,534.80, 312,611.37 and 124,560.15 is: 171,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,534.80 : 312,611.37 = 124,560.15 : x
  2. Step 2: Convert to fraction form
    226,534.80/312,611.37 = 124,560.15/x
  3. Step 3: Cross multiply
    226,534.80x = 312,611.37 × 124,560.15
  4. Step 4: Simplify right side
    226,534.80x = 38,938,919,138.91
  5. Step 5: Solve for x
    x = 38,938,919,138.91/226,534.80
  6. Step 6: Final answer
    x = 171,889.35

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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.