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Finding the Fourth Proportional to 345,572.69, 476,832.48 and 192,577.32

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Solution

The fourth proportional to 345,572.69, 476,832.48 and 192,577.32 is: 265,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,572.69 : 476,832.48 = 192,577.32 : x
  2. Step 2: Convert to fraction form
    345,572.69/476,832.48 = 192,577.32/x
  3. Step 3: Cross multiply
    345,572.69x = 476,832.48 × 192,577.32
  4. Step 4: Simplify right side
    345,572.69x = 91,827,121,087.35
  5. Step 5: Solve for x
    x = 91,827,121,087.35/345,572.69
  6. Step 6: Final answer
    x = 265,724.48

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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.