Home / 407,202.08-562,006.32-225,972.22

Finding the Fourth Proportional to 407,202.08, 562,006.32 and 225,972.22

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Solution

The fourth proportional to 407,202.08, 562,006.32 and 225,972.22 is: 311,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,202.08 : 562,006.32 = 225,972.22 : x
  2. Step 2: Convert to fraction form
    407,202.08/562,006.32 = 225,972.22/x
  3. Step 3: Cross multiply
    407,202.08x = 562,006.32 × 225,972.22
  4. Step 4: Simplify right side
    407,202.08x = 126,997,815,784.43
  5. Step 5: Solve for x
    x = 126,997,815,784.43/407,202.08
  6. Step 6: Final answer
    x = 311,879.09

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1.5x scale

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.