Home / 300,014.39-450,022.03-122,521.41

Finding the Fourth Proportional to 300,014.39, 450,022.03 and 122,521.41

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Solution

The fourth proportional to 300,014.39, 450,022.03 and 122,521.41 is: 183,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,014.39 : 450,022.03 = 122,521.41 : x
  2. Step 2: Convert to fraction form
    300,014.39/450,022.03 = 122,521.41/x
  3. Step 3: Cross multiply
    300,014.39x = 450,022.03 × 122,521.41
  4. Step 4: Simplify right side
    300,014.39x = 55,137,333,034.06
  5. Step 5: Solve for x
    x = 55,137,333,034.06/300,014.39
  6. Step 6: Final answer
    x = 183,782.29

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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.