Home / 406,819.02-561,410.17-225,530.49

Finding the Fourth Proportional to 406,819.02, 561,410.17 and 225,530.49

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Solution

The fourth proportional to 406,819.02, 561,410.17 and 225,530.49 is: 311,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,819.02 : 561,410.17 = 225,530.49 : x
  2. Step 2: Convert to fraction form
    406,819.02/561,410.17 = 225,530.49/x
  3. Step 3: Cross multiply
    406,819.02x = 561,410.17 × 225,530.49
  4. Step 4: Simplify right side
    406,819.02x = 126,615,110,731.08
  5. Step 5: Solve for x
    x = 126,615,110,731.08/406,819.02
  6. Step 6: Final answer
    x = 311,232.03

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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.