Home / 409,024.45-613,624.65-203,970.85

Finding the Fourth Proportional to 409,024.45, 613,624.65 and 203,970.85

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Solution

The fourth proportional to 409,024.45, 613,624.65 and 203,970.85 is: 306,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,024.45 : 613,624.65 = 203,970.85 : x
  2. Step 2: Convert to fraction form
    409,024.45/613,624.65 = 203,970.85/x
  3. Step 3: Cross multiply
    409,024.45x = 613,624.65 × 203,970.85
  4. Step 4: Simplify right side
    409,024.45x = 125,161,541,441.45
  5. Step 5: Solve for x
    x = 125,161,541,441.45/409,024.45
  6. Step 6: Final answer
    x = 306,000.15

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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.