Home / 270,500.81-373,318.85-155,783.75

Finding the Fourth Proportional to 270,500.81, 373,318.85 and 155,783.75

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Solution

The fourth proportional to 270,500.81, 373,318.85 and 155,783.75 is: 214,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,500.81 : 373,318.85 = 155,783.75 : x
  2. Step 2: Convert to fraction form
    270,500.81/373,318.85 = 155,783.75/x
  3. Step 3: Cross multiply
    270,500.81x = 373,318.85 × 155,783.75
  4. Step 4: Simplify right side
    270,500.81x = 58,157,008,921.55
  5. Step 5: Solve for x
    x = 58,157,008,921.55/270,500.81
  6. Step 6: Final answer
    x = 214,997.54

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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.