Home / 300,260.82-450,339.29-140,351.18

Finding the Fourth Proportional to 300,260.82, 450,339.29 and 140,351.18

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Solution

The fourth proportional to 300,260.82, 450,339.29 and 140,351.18 is: 210,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,260.82 : 450,339.29 = 140,351.18 : x
  2. Step 2: Convert to fraction form
    300,260.82/450,339.29 = 140,351.18/x
  3. Step 3: Cross multiply
    300,260.82x = 450,339.29 × 140,351.18
  4. Step 4: Simplify right side
    300,260.82x = 63,205,651,647.36
  5. Step 5: Solve for x
    x = 63,205,651,647.36/300,260.82
  6. Step 6: Final answer
    x = 210,502.49

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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.