Home / 288,105.44-397,623.12-160,807.46

Finding the Fourth Proportional to 288,105.44, 397,623.12 and 160,807.46

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Solution

The fourth proportional to 288,105.44, 397,623.12 and 160,807.46 is: 221,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,105.44 : 397,623.12 = 160,807.46 : x
  2. Step 2: Convert to fraction form
    288,105.44/397,623.12 = 160,807.46/x
  3. Step 3: Cross multiply
    288,105.44x = 397,623.12 × 160,807.46
  4. Step 4: Simplify right side
    288,105.44x = 63,940,761,976.36
  5. Step 5: Solve for x
    x = 63,940,761,976.36/288,105.44
  6. Step 6: Final answer
    x = 221,935.29

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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.