Home / 300,901.08-451,260.74-90,483.16

Finding the Fourth Proportional to 300,901.08, 451,260.74 and 90,483.16

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Solution

The fourth proportional to 300,901.08, 451,260.74 and 90,483.16 is: 135,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,901.08 : 451,260.74 = 90,483.16 : x
  2. Step 2: Convert to fraction form
    300,901.08/451,260.74 = 90,483.16/x
  3. Step 3: Cross multiply
    300,901.08x = 451,260.74 × 90,483.16
  4. Step 4: Simplify right side
    300,901.08x = 40,831,497,739.14
  5. Step 5: Solve for x
    x = 40,831,497,739.14/300,901.08
  6. Step 6: Final answer
    x = 135,697.41

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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.