Home / 407,640.08-562,524.49-226,363.52

Finding the Fourth Proportional to 407,640.08, 562,524.49 and 226,363.52

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Solution

The fourth proportional to 407,640.08, 562,524.49 and 226,363.52 is: 312,371.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,640.08 : 562,524.49 = 226,363.52 : x
  2. Step 2: Convert to fraction form
    407,640.08/562,524.49 = 226,363.52/x
  3. Step 3: Cross multiply
    407,640.08x = 562,524.49 × 226,363.52
  4. Step 4: Simplify right side
    407,640.08x = 127,335,023,642.61
  5. Step 5: Solve for x
    x = 127,335,023,642.61/407,640.08
  6. Step 6: Final answer
    x = 312,371.21

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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.