Home / 300,984.48-451,303.92-90,560.16

Finding the Fourth Proportional to 300,984.48, 451,303.92 and 90,560.16

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Solution

The fourth proportional to 300,984.48, 451,303.92 and 90,560.16 is: 135,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,984.48 : 451,303.92 = 90,560.16 : x
  2. Step 2: Convert to fraction form
    300,984.48/451,303.92 = 90,560.16/x
  3. Step 3: Cross multiply
    300,984.48x = 451,303.92 × 90,560.16
  4. Step 4: Simplify right side
    300,984.48x = 40,870,155,203.83
  5. Step 5: Solve for x
    x = 40,870,155,203.83/300,984.48
  6. Step 6: Final answer
    x = 135,788.25

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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.