Home / 271,727.28-407,459.79-113,913.36

Finding the Fourth Proportional to 271,727.28, 407,459.79 and 113,913.36

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Solution

The fourth proportional to 271,727.28, 407,459.79 and 113,913.36 is: 170,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,727.28 : 407,459.79 = 113,913.36 : x
  2. Step 2: Convert to fraction form
    271,727.28/407,459.79 = 113,913.36/x
  3. Step 3: Cross multiply
    271,727.28x = 407,459.79 × 113,913.36
  4. Step 4: Simplify right side
    271,727.28x = 46,415,113,743.79
  5. Step 5: Solve for x
    x = 46,415,113,743.79/271,727.28
  6. Step 6: Final answer
    x = 170,815.07

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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.