Home / 686,535.54-1,029,872.52-181,131.45

Finding the Fourth Proportional to 686,535.54, 1,029,872.52 and 181,131.45

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Solution

The fourth proportional to 686,535.54, 1,029,872.52 and 181,131.45 is: 271,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,535.54 : 1,029,872.52 = 181,131.45 : x
  2. Step 2: Convert to fraction form
    686,535.54/1,029,872.52 = 181,131.45/x
  3. Step 3: Cross multiply
    686,535.54x = 1,029,872.52 × 181,131.45
  4. Step 4: Simplify right side
    686,535.54x = 186,542,302,862.75
  5. Step 5: Solve for x
    x = 186,542,302,862.75/686,535.54
  6. Step 6: Final answer
    x = 271,715.43

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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.