Home / 226,582.88-312,595.88-129,734.98

Finding the Fourth Proportional to 226,582.88, 312,595.88 and 129,734.98

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Solution

The fourth proportional to 226,582.88, 312,595.88 and 129,734.98 is: 178,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,582.88 : 312,595.88 = 129,734.98 : x
  2. Step 2: Convert to fraction form
    226,582.88/312,595.88 = 129,734.98/x
  3. Step 3: Cross multiply
    226,582.88x = 312,595.88 × 129,734.98
  4. Step 4: Simplify right side
    226,582.88x = 40,554,620,239.88
  5. Step 5: Solve for x
    x = 40,554,620,239.88/226,582.88
  6. Step 6: Final answer
    x = 178,983.60

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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.