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Finding the Fourth Proportional to 301,588.99, 451,694.27 and 143,928.16

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Solution

The fourth proportional to 301,588.99, 451,694.27 and 143,928.16 is: 215,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,588.99 : 451,694.27 = 143,928.16 : x
  2. Step 2: Convert to fraction form
    301,588.99/451,694.27 = 143,928.16/x
  3. Step 3: Cross multiply
    301,588.99x = 451,694.27 × 143,928.16
  4. Step 4: Simplify right side
    301,588.99x = 65,011,524,394.23
  5. Step 5: Solve for x
    x = 65,011,524,394.23/301,588.99
  6. Step 6: Final answer
    x = 215,563.32

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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.