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Finding the Fourth Proportional to 270,343.62, 373,059.06 and 149,477.64

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Solution

The fourth proportional to 270,343.62, 373,059.06 and 149,477.64 is: 206,270.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,343.62 : 373,059.06 = 149,477.64 : x
  2. Step 2: Convert to fraction form
    270,343.62/373,059.06 = 149,477.64/x
  3. Step 3: Cross multiply
    270,343.62x = 373,059.06 × 149,477.64
  4. Step 4: Simplify right side
    270,343.62x = 55,763,987,869.42
  5. Step 5: Solve for x
    x = 55,763,987,869.42/270,343.62
  6. Step 6: Final answer
    x = 206,270.77

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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.