Home / 280,362.72-386,911.44-167,183.04

Finding the Fourth Proportional to 280,362.72, 386,911.44 and 167,183.04

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Solution

The fourth proportional to 280,362.72, 386,911.44 and 167,183.04 is: 230,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,362.72 : 386,911.44 = 167,183.04 : x
  2. Step 2: Convert to fraction form
    280,362.72/386,911.44 = 167,183.04/x
  3. Step 3: Cross multiply
    280,362.72x = 386,911.44 × 167,183.04
  4. Step 4: Simplify right side
    280,362.72x = 64,685,030,749.98
  5. Step 5: Solve for x
    x = 64,685,030,749.98/280,362.72
  6. Step 6: Final answer
    x = 230,719.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.