Home / 345,213.94-517,839.36-108,575.07

Finding the Fourth Proportional to 345,213.94, 517,839.36 and 108,575.07

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Solution

The fourth proportional to 345,213.94, 517,839.36 and 108,575.07 is: 162,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,213.94 : 517,839.36 = 108,575.07 : x
  2. Step 2: Convert to fraction form
    345,213.94/517,839.36 = 108,575.07/x
  3. Step 3: Cross multiply
    345,213.94x = 517,839.36 × 108,575.07
  4. Step 4: Simplify right side
    345,213.94x = 56,224,444,760.76
  5. Step 5: Solve for x
    x = 56,224,444,760.76/345,213.94
  6. Step 6: Final answer
    x = 162,868.41

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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.