Home / 285,459.80-393,976.48-164,577.46

Finding the Fourth Proportional to 285,459.80, 393,976.48 and 164,577.46

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Solution

The fourth proportional to 285,459.80, 393,976.48 and 164,577.46 is: 227,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,459.80 : 393,976.48 = 164,577.46 : x
  2. Step 2: Convert to fraction form
    285,459.80/393,976.48 = 164,577.46/x
  3. Step 3: Cross multiply
    285,459.80x = 393,976.48 × 164,577.46
  4. Step 4: Simplify right side
    285,459.80x = 64,839,648,378.14
  5. Step 5: Solve for x
    x = 64,839,648,378.14/285,459.80
  6. Step 6: Final answer
    x = 227,141.08

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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.