Home / 300,148.22-450,260.27-138,003.44

Finding the Fourth Proportional to 300,148.22, 450,260.27 and 138,003.44

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Solution

The fourth proportional to 300,148.22, 450,260.27 and 138,003.44 is: 207,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,148.22 : 450,260.27 = 138,003.44 : x
  2. Step 2: Convert to fraction form
    300,148.22/450,260.27 = 138,003.44/x
  3. Step 3: Cross multiply
    300,148.22x = 450,260.27 × 138,003.44
  4. Step 4: Simplify right side
    300,148.22x = 62,137,463,214.01
  5. Step 5: Solve for x
    x = 62,137,463,214.01/300,148.22
  6. Step 6: Final answer
    x = 207,022.60

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1.5x scale

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.