Home / 346,579.20-520,063.20-146,865.60

Finding the Fourth Proportional to 346,579.20, 520,063.20 and 146,865.60

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Solution

The fourth proportional to 346,579.20, 520,063.20 and 146,865.60 is: 220,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,579.20 : 520,063.20 = 146,865.60 : x
  2. Step 2: Convert to fraction form
    346,579.20/520,063.20 = 146,865.60/x
  3. Step 3: Cross multiply
    346,579.20x = 520,063.20 × 146,865.60
  4. Step 4: Simplify right side
    346,579.20x = 76,379,393,905.92
  5. Step 5: Solve for x
    x = 76,379,393,905.92/346,579.20
  6. Step 6: Final answer
    x = 220,380.78

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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.