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Finding the Fourth Proportional to 406,467.84, 560,925.62 and 222,707.16

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Solution

The fourth proportional to 406,467.84, 560,925.62 and 222,707.16 is: 307,335.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,467.84 : 560,925.62 = 222,707.16 : x
  2. Step 2: Convert to fraction form
    406,467.84/560,925.62 = 222,707.16/x
  3. Step 3: Cross multiply
    406,467.84x = 560,925.62 × 222,707.16
  4. Step 4: Simplify right side
    406,467.84x = 124,922,151,801.44
  5. Step 5: Solve for x
    x = 124,922,151,801.44/406,467.84
  6. Step 6: Final answer
    x = 307,335.88

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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.