Home / 407,037.27-561,703.07-225,719.94

Finding the Fourth Proportional to 407,037.27, 561,703.07 and 225,719.94

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Solution

The fourth proportional to 407,037.27, 561,703.07 and 225,719.94 is: 311,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,037.27 : 561,703.07 = 225,719.94 : x
  2. Step 2: Convert to fraction form
    407,037.27/561,703.07 = 225,719.94/x
  3. Step 3: Cross multiply
    407,037.27x = 561,703.07 × 225,719.94
  4. Step 4: Simplify right side
    407,037.27x = 126,787,582,129.62
  5. Step 5: Solve for x
    x = 126,787,582,129.62/407,037.27
  6. Step 6: Final answer
    x = 311,488.88

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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.