Home / 226,711.80-312,649.89-140,684.74

Finding the Fourth Proportional to 226,711.80, 312,649.89 and 140,684.74

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Solution

The fourth proportional to 226,711.80, 312,649.89 and 140,684.74 is: 194,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,711.80 : 312,649.89 = 140,684.74 : x
  2. Step 2: Convert to fraction form
    226,711.80/312,649.89 = 140,684.74/x
  3. Step 3: Cross multiply
    226,711.80x = 312,649.89 × 140,684.74
  4. Step 4: Simplify right side
    226,711.80x = 43,985,067,967.84
  5. Step 5: Solve for x
    x = 43,985,067,967.84/226,711.80
  6. Step 6: Final answer
    x = 194,013.14

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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.