Home / 226,685.21-310,836.26-220,780.31

Finding the Fourth Proportional to 226,685.21, 310,836.26 and 220,780.31

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Solution

The fourth proportional to 226,685.21, 310,836.26 and 220,780.31 is: 302,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,685.21 : 310,836.26 = 220,780.31 : x
  2. Step 2: Convert to fraction form
    226,685.21/310,836.26 = 220,780.31/x
  3. Step 3: Cross multiply
    226,685.21x = 310,836.26 × 220,780.31
  4. Step 4: Simplify right side
    226,685.21x = 68,626,524,839.81
  5. Step 5: Solve for x
    x = 68,626,524,839.81/226,685.21
  6. Step 6: Final answer
    x = 302,739.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.