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Finding the Fourth Proportional to 353,610.40, 529,832.40 and 303,455.20

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Solution

The fourth proportional to 353,610.40, 529,832.40 and 303,455.20 is: 454,682.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,610.40 : 529,832.40 = 303,455.20 : x
  2. Step 2: Convert to fraction form
    353,610.40/529,832.40 = 303,455.20/x
  3. Step 3: Cross multiply
    353,610.40x = 529,832.40 × 303,455.20
  4. Step 4: Simplify right side
    353,610.40x = 160,780,396,908.48
  5. Step 5: Solve for x
    x = 160,780,396,908.48/353,610.40
  6. Step 6: Final answer
    x = 454,682.32

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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.