Home / 686,160.14-1,029,290.67-180,717.43

Finding the Fourth Proportional to 686,160.14, 1,029,290.67 and 180,717.43

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Solution

The fourth proportional to 686,160.14, 1,029,290.67 and 180,717.43 is: 271,089.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,160.14 : 1,029,290.67 = 180,717.43 : x
  2. Step 2: Convert to fraction form
    686,160.14/1,029,290.67 = 180,717.43/x
  3. Step 3: Cross multiply
    686,160.14x = 1,029,290.67 × 180,717.43
  4. Step 4: Simplify right side
    686,160.14x = 186,010,762,083.39
  5. Step 5: Solve for x
    x = 186,010,762,083.39/686,160.14
  6. Step 6: Final answer
    x = 271,089.43

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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.