Home / 300,401.26-450,290.39-187,823

Finding the Fourth Proportional to 300,401.26, 450,290.39 and 187,823

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Solution

The fourth proportional to 300,401.26, 450,290.39 and 187,823 is: 281,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,401.26 : 450,290.39 = 187,823 : x
  2. Step 2: Convert to fraction form
    300,401.26/450,290.39 = 187,823/x
  3. Step 3: Cross multiply
    300,401.26x = 450,290.39 × 187,823
  4. Step 4: Simplify right side
    300,401.26x = 84,574,890,981.86
  5. Step 5: Solve for x
    x = 84,574,890,981.86/300,401.26
  6. Step 6: Final answer
    x = 281,539.74

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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.