Home / 352,946.30-529,049.36-172,783.29

Finding the Fourth Proportional to 352,946.30, 529,049.36 and 172,783.29

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Solution

The fourth proportional to 352,946.30, 529,049.36 and 172,783.29 is: 258,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,946.30 : 529,049.36 = 172,783.29 : x
  2. Step 2: Convert to fraction form
    352,946.30/529,049.36 = 172,783.29/x
  3. Step 3: Cross multiply
    352,946.30x = 529,049.36 × 172,783.29
  4. Step 4: Simplify right side
    352,946.30x = 91,410,886,793.28
  5. Step 5: Solve for x
    x = 91,410,886,793.28/352,946.30
  6. Step 6: Final answer
    x = 258,993.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.