Home / 288,906.38-433,004.62-162,280.45

Finding the Fourth Proportional to 288,906.38, 433,004.62 and 162,280.45

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Solution

The fourth proportional to 288,906.38, 433,004.62 and 162,280.45 is: 243,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,906.38 : 433,004.62 = 162,280.45 : x
  2. Step 2: Convert to fraction form
    288,906.38/433,004.62 = 162,280.45/x
  3. Step 3: Cross multiply
    288,906.38x = 433,004.62 × 162,280.45
  4. Step 4: Simplify right side
    288,906.38x = 70,268,184,585.68
  5. Step 5: Solve for x
    x = 70,268,184,585.68/288,906.38
  6. Step 6: Final answer
    x = 243,221.30

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1.5x scale

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.