Home / 346,723.20-520,084.80-206,755.20

Finding the Fourth Proportional to 346,723.20, 520,084.80 and 206,755.20

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Solution

The fourth proportional to 346,723.20, 520,084.80 and 206,755.20 is: 310,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,723.20 : 520,084.80 = 206,755.20 : x
  2. Step 2: Convert to fraction form
    346,723.20/520,084.80 = 206,755.20/x
  3. Step 3: Cross multiply
    346,723.20x = 520,084.80 × 206,755.20
  4. Step 4: Simplify right side
    346,723.20x = 107,530,236,840.96
  5. Step 5: Solve for x
    x = 107,530,236,840.96/346,723.20
  6. Step 6: Final answer
    x = 310,132.80

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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.