Home / 288,222.16-397,786.56-160,906

Finding the Fourth Proportional to 288,222.16, 397,786.56 and 160,906

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Solution

The fourth proportional to 288,222.16, 397,786.56 and 160,906 is: 222,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,222.16 : 397,786.56 = 160,906 : x
  2. Step 2: Convert to fraction form
    288,222.16/397,786.56 = 160,906/x
  3. Step 3: Cross multiply
    288,222.16x = 397,786.56 × 160,906
  4. Step 4: Simplify right side
    288,222.16x = 64,006,244,223.36
  5. Step 5: Solve for x
    x = 64,006,244,223.36/288,222.16
  6. Step 6: Final answer
    x = 222,072.60

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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.