Home / 281,665.19-422,498.10-71,303.13

Finding the Fourth Proportional to 281,665.19, 422,498.10 and 71,303.13

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Solution

The fourth proportional to 281,665.19, 422,498.10 and 71,303.13 is: 106,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,665.19 : 422,498.10 = 71,303.13 : x
  2. Step 2: Convert to fraction form
    281,665.19/422,498.10 = 71,303.13/x
  3. Step 3: Cross multiply
    281,665.19x = 422,498.10 × 71,303.13
  4. Step 4: Simplify right side
    281,665.19x = 30,125,436,949.05
  5. Step 5: Solve for x
    x = 30,125,436,949.05/281,665.19
  6. Step 6: Final answer
    x = 106,954.77

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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.