Home / 301,637.92-451,767.84-143,977.36

Finding the Fourth Proportional to 301,637.92, 451,767.84 and 143,977.36

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Solution

The fourth proportional to 301,637.92, 451,767.84 and 143,977.36 is: 215,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,637.92 : 451,767.84 = 143,977.36 : x
  2. Step 2: Convert to fraction form
    301,637.92/451,767.84 = 143,977.36/x
  3. Step 3: Cross multiply
    301,637.92x = 451,767.84 × 143,977.36
  4. Step 4: Simplify right side
    301,637.92x = 65,044,340,936.10
  5. Step 5: Solve for x
    x = 65,044,340,936.10/301,637.92
  6. Step 6: Final answer
    x = 215,637.15

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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.