Home / 522,837.72-784,162.26-138,589.02

Finding the Fourth Proportional to 522,837.72, 784,162.26 and 138,589.02

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Solution

The fourth proportional to 522,837.72, 784,162.26 and 138,589.02 is: 207,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,837.72 : 784,162.26 = 138,589.02 : x
  2. Step 2: Convert to fraction form
    522,837.72/784,162.26 = 138,589.02/x
  3. Step 3: Cross multiply
    522,837.72x = 784,162.26 × 138,589.02
  4. Step 4: Simplify right side
    522,837.72x = 108,676,279,134.39
  5. Step 5: Solve for x
    x = 108,676,279,134.39/522,837.72
  6. Step 6: Final answer
    x = 207,858.53

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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.