Home / 686,002.70-1,029,004.05-187,366.70

Finding the Fourth Proportional to 686,002.70, 1,029,004.05 and 187,366.70

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Solution

The fourth proportional to 686,002.70, 1,029,004.05 and 187,366.70 is: 281,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,002.70 : 1,029,004.05 = 187,366.70 : x
  2. Step 2: Convert to fraction form
    686,002.70/1,029,004.05 = 187,366.70/x
  3. Step 3: Cross multiply
    686,002.70x = 1,029,004.05 × 187,366.70
  4. Step 4: Simplify right side
    686,002.70x = 192,801,093,135.14
  5. Step 5: Solve for x
    x = 192,801,093,135.14/686,002.70
  6. Step 6: Final answer
    x = 281,050.05

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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.