Home / 345,458.26-517,794.30-210,224.07

Finding the Fourth Proportional to 345,458.26, 517,794.30 and 210,224.07

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Solution

The fourth proportional to 345,458.26, 517,794.30 and 210,224.07 is: 315,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,458.26 : 517,794.30 = 210,224.07 : x
  2. Step 2: Convert to fraction form
    345,458.26/517,794.30 = 210,224.07/x
  3. Step 3: Cross multiply
    345,458.26x = 517,794.30 × 210,224.07
  4. Step 4: Simplify right side
    345,458.26x = 108,852,825,168.80
  5. Step 5: Solve for x
    x = 108,852,825,168.80/345,458.26
  6. Step 6: Final answer
    x = 315,096.90

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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.