Home / 406,736.96-561,330.60-225,505.74

Finding the Fourth Proportional to 406,736.96, 561,330.60 and 225,505.74

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Solution

The fourth proportional to 406,736.96, 561,330.60 and 225,505.74 is: 311,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,736.96 : 561,330.60 = 225,505.74 : x
  2. Step 2: Convert to fraction form
    406,736.96/561,330.60 = 225,505.74/x
  3. Step 3: Cross multiply
    406,736.96x = 561,330.60 × 225,505.74
  4. Step 4: Simplify right side
    406,736.96x = 126,583,272,337.64
  5. Step 5: Solve for x
    x = 126,583,272,337.64/406,736.96
  6. Step 6: Final answer
    x = 311,216.55

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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.