Home / 288,103.24-397,620.08-160,805.26

Finding the Fourth Proportional to 288,103.24, 397,620.08 and 160,805.26

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Solution

The fourth proportional to 288,103.24, 397,620.08 and 160,805.26 is: 221,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,103.24 : 397,620.08 = 160,805.26 : x
  2. Step 2: Convert to fraction form
    288,103.24/397,620.08 = 160,805.26/x
  3. Step 3: Cross multiply
    288,103.24x = 397,620.08 × 160,805.26
  4. Step 4: Simplify right side
    288,103.24x = 63,939,399,309.56
  5. Step 5: Solve for x
    x = 63,939,399,309.56/288,103.24
  6. Step 6: Final answer
    x = 221,932.25

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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.