Home / 262,869.40-394,304.10-163,336.60

Finding the Fourth Proportional to 262,869.40, 394,304.10 and 163,336.60

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Solution

The fourth proportional to 262,869.40, 394,304.10 and 163,336.60 is: 245,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,869.40 : 394,304.10 = 163,336.60 : x
  2. Step 2: Convert to fraction form
    262,869.40/394,304.10 = 163,336.60/x
  3. Step 3: Cross multiply
    262,869.40x = 394,304.10 × 163,336.60
  4. Step 4: Simplify right side
    262,869.40x = 64,404,291,060.06
  5. Step 5: Solve for x
    x = 64,404,291,060.06/262,869.40
  6. Step 6: Final answer
    x = 245,004.90

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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.