Home / 262,649.40-393,974.10-163,116.60

Finding the Fourth Proportional to 262,649.40, 393,974.10 and 163,116.60

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Solution

The fourth proportional to 262,649.40, 393,974.10 and 163,116.60 is: 244,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,649.40 : 393,974.10 = 163,116.60 : x
  2. Step 2: Convert to fraction form
    262,649.40/393,974.10 = 163,116.60/x
  3. Step 3: Cross multiply
    262,649.40x = 393,974.10 × 163,116.60
  4. Step 4: Simplify right side
    262,649.40x = 64,263,715,680.06
  5. Step 5: Solve for x
    x = 64,263,715,680.06/262,649.40
  6. Step 6: Final answer
    x = 244,674.90

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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.