Home / 450,106.26-621,086.50-248,915.22

Finding the Fourth Proportional to 450,106.26, 621,086.50 and 248,915.22

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Solution

The fourth proportional to 450,106.26, 621,086.50 and 248,915.22 is: 343,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,106.26 : 621,086.50 = 248,915.22 : x
  2. Step 2: Convert to fraction form
    450,106.26/621,086.50 = 248,915.22/x
  3. Step 3: Cross multiply
    450,106.26x = 621,086.50 × 248,915.22
  4. Step 4: Simplify right side
    450,106.26x = 154,597,882,786.53
  5. Step 5: Solve for x
    x = 154,597,882,786.53/450,106.26
  6. Step 6: Final answer
    x = 343,469.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.