Home / 285,577.97-393,971.00-164,690.33

Finding the Fourth Proportional to 285,577.97, 393,971.00 and 164,690.33

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Solution

The fourth proportional to 285,577.97, 393,971.00 and 164,690.33 is: 227,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,577.97 : 393,971.00 = 164,690.33 : x
  2. Step 2: Convert to fraction form
    285,577.97/393,971.00 = 164,690.33/x
  3. Step 3: Cross multiply
    285,577.97x = 393,971.00 × 164,690.33
  4. Step 4: Simplify right side
    285,577.97x = 64,883,211,207.12
  5. Step 5: Solve for x
    x = 64,883,211,207.12/285,577.97
  6. Step 6: Final answer
    x = 227,199.64

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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.