Home / 686,883.24-1,030,208.22-181,449.72

Finding the Fourth Proportional to 686,883.24, 1,030,208.22 and 181,449.72

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Solution

The fourth proportional to 686,883.24, 1,030,208.22 and 181,449.72 is: 272,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,883.24 : 1,030,208.22 = 181,449.72 : x
  2. Step 2: Convert to fraction form
    686,883.24/1,030,208.22 = 181,449.72/x
  3. Step 3: Cross multiply
    686,883.24x = 1,030,208.22 × 181,449.72
  4. Step 4: Simplify right side
    686,883.24x = 186,930,993,060.70
  5. Step 5: Solve for x
    x = 186,930,993,060.70/686,883.24
  6. Step 6: Final answer
    x = 272,143.77

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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.