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Finding the Fourth Proportional to 407,392.54, 562,175.44 and 226,104.62

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Solution

The fourth proportional to 407,392.54, 562,175.44 and 226,104.62 is: 312,009.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,392.54 : 562,175.44 = 226,104.62 : x
  2. Step 2: Convert to fraction form
    407,392.54/562,175.44 = 226,104.62/x
  3. Step 3: Cross multiply
    407,392.54x = 562,175.44 × 226,104.62
  4. Step 4: Simplify right side
    407,392.54x = 127,110,460,858.39
  5. Step 5: Solve for x
    x = 127,110,460,858.39/407,392.54
  6. Step 6: Final answer
    x = 312,009.79

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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.