Home / 406,835.24-561,416.10-225,549.80

Finding the Fourth Proportional to 406,835.24, 561,416.10 and 225,549.80

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Solution

The fourth proportional to 406,835.24, 561,416.10 and 225,549.80 is: 311,249.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,835.24 : 561,416.10 = 225,549.80 : x
  2. Step 2: Convert to fraction form
    406,835.24/561,416.10 = 225,549.80/x
  3. Step 3: Cross multiply
    406,835.24x = 561,416.10 × 225,549.80
  4. Step 4: Simplify right side
    406,835.24x = 126,627,289,071.78
  5. Step 5: Solve for x
    x = 126,627,289,071.78/406,835.24
  6. Step 6: Final answer
    x = 311,249.56

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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.