Home / 281,314.23-421,679.75-175,891.11

Finding the Fourth Proportional to 281,314.23, 421,679.75 and 175,891.11

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Solution

The fourth proportional to 281,314.23, 421,679.75 and 175,891.11 is: 263,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,314.23 : 421,679.75 = 175,891.11 : x
  2. Step 2: Convert to fraction form
    281,314.23/421,679.75 = 175,891.11/x
  3. Step 3: Cross multiply
    281,314.23x = 421,679.75 × 175,891.11
  4. Step 4: Simplify right side
    281,314.23x = 74,169,718,412.57
  5. Step 5: Solve for x
    x = 74,169,718,412.57/281,314.23
  6. Step 6: Final answer
    x = 263,654.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.