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Finding the Fourth Proportional to 288,160.80, 397,662.36 and 160,836.36

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Solution

The fourth proportional to 288,160.80, 397,662.36 and 160,836.36 is: 221,954.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,160.80 : 397,662.36 = 160,836.36 : x
  2. Step 2: Convert to fraction form
    288,160.80/397,662.36 = 160,836.36/x
  3. Step 3: Cross multiply
    288,160.80x = 397,662.36 × 160,836.36
  4. Step 4: Simplify right side
    288,160.80x = 63,958,566,491.41
  5. Step 5: Solve for x
    x = 63,958,566,491.41/288,160.80
  6. Step 6: Final answer
    x = 221,954.43

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1.5x scale

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.