Home / 353,731.60-529,819.80-213,245.20

Finding the Fourth Proportional to 353,731.60, 529,819.80 and 213,245.20

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Solution

The fourth proportional to 353,731.60, 529,819.80 and 213,245.20 is: 319,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,731.60 : 529,819.80 = 213,245.20 : x
  2. Step 2: Convert to fraction form
    353,731.60/529,819.80 = 213,245.20/x
  3. Step 3: Cross multiply
    353,731.60x = 529,819.80 × 213,245.20
  4. Step 4: Simplify right side
    353,731.60x = 112,981,529,214.96
  5. Step 5: Solve for x
    x = 112,981,529,214.96/353,731.60
  6. Step 6: Final answer
    x = 319,399.03

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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.