Home / 300,849.28-451,066.56-142,944.64

Finding the Fourth Proportional to 300,849.28, 451,066.56 and 142,944.64

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Solution

The fourth proportional to 300,849.28, 451,066.56 and 142,944.64 is: 214,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,849.28 : 451,066.56 = 142,944.64 : x
  2. Step 2: Convert to fraction form
    300,849.28/451,066.56 = 142,944.64/x
  3. Step 3: Cross multiply
    300,849.28x = 451,066.56 × 142,944.64
  4. Step 4: Simplify right side
    300,849.28x = 64,477,547,035.24
  5. Step 5: Solve for x
    x = 64,477,547,035.24/300,849.28
  6. Step 6: Final answer
    x = 214,318.44

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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.