Home / 288,144.30-397,635.55-159,083.82

Finding the Fourth Proportional to 288,144.30, 397,635.55 and 159,083.82

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Solution

The fourth proportional to 288,144.30, 397,635.55 and 159,083.82 is: 219,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,144.30 : 397,635.55 = 159,083.82 : x
  2. Step 2: Convert to fraction form
    288,144.30/397,635.55 = 159,083.82/x
  3. Step 3: Cross multiply
    288,144.30x = 397,635.55 × 159,083.82
  4. Step 4: Simplify right side
    288,144.30x = 63,257,382,261.80
  5. Step 5: Solve for x
    x = 63,257,382,261.80/288,144.30
  6. Step 6: Final answer
    x = 219,533.69

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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.