Home / 407,196.07-561,998.03-225,966.21

Finding the Fourth Proportional to 407,196.07, 561,998.03 and 225,966.21

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Solution

The fourth proportional to 407,196.07, 561,998.03 and 225,966.21 is: 311,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,196.07 : 561,998.03 = 225,966.21 : x
  2. Step 2: Convert to fraction form
    407,196.07/561,998.03 = 225,966.21/x
  3. Step 3: Cross multiply
    407,196.07x = 561,998.03 × 225,966.21
  4. Step 4: Simplify right side
    407,196.07x = 126,992,564,866.57
  5. Step 5: Solve for x
    x = 126,992,564,866.57/407,196.07
  6. Step 6: Final answer
    x = 311,870.80

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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.