Home / 406,739.46-561,334.05-225,508.23

Finding the Fourth Proportional to 406,739.46, 561,334.05 and 225,508.23

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Solution

The fourth proportional to 406,739.46, 561,334.05 and 225,508.23 is: 311,219.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,739.46 : 561,334.05 = 225,508.23 : x
  2. Step 2: Convert to fraction form
    406,739.46/561,334.05 = 225,508.23/x
  3. Step 3: Cross multiply
    406,739.46x = 561,334.05 × 225,508.23
  4. Step 4: Simplify right side
    406,739.46x = 126,585,448,054.23
  5. Step 5: Solve for x
    x = 126,585,448,054.23/406,739.46
  6. Step 6: Final answer
    x = 311,219.98

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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.