Home / 407,029.15-561,718.97-225,730.27

Finding the Fourth Proportional to 407,029.15, 561,718.97 and 225,730.27

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Solution

The fourth proportional to 407,029.15, 561,718.97 and 225,730.27 is: 311,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,029.15 : 561,718.97 = 225,730.27 : x
  2. Step 2: Convert to fraction form
    407,029.15/561,718.97 = 225,730.27/x
  3. Step 3: Cross multiply
    407,029.15x = 561,718.97 × 225,730.27
  4. Step 4: Simplify right side
    407,029.15x = 126,796,976,451.94
  5. Step 5: Solve for x
    x = 126,796,976,451.94/407,029.15
  6. Step 6: Final answer
    x = 311,518.17

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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.