Home / 413,566.20-619,571.70-213,204.60

Finding the Fourth Proportional to 413,566.20, 619,571.70 and 213,204.60

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Solution

The fourth proportional to 413,566.20, 619,571.70 and 213,204.60 is: 319,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,566.20 : 619,571.70 = 213,204.60 : x
  2. Step 2: Convert to fraction form
    413,566.20/619,571.70 = 213,204.60/x
  3. Step 3: Cross multiply
    413,566.20x = 619,571.70 × 213,204.60
  4. Step 4: Simplify right side
    413,566.20x = 132,095,536,469.82
  5. Step 5: Solve for x
    x = 132,095,536,469.82/413,566.20
  6. Step 6: Final answer
    x = 319,406.03

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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.