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Finding the Fourth Proportional to 275,536.72, 380,195.40 and 162,344.08

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Solution

The fourth proportional to 275,536.72, 380,195.40 and 162,344.08 is: 224,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,536.72 : 380,195.40 = 162,344.08 : x
  2. Step 2: Convert to fraction form
    275,536.72/380,195.40 = 162,344.08/x
  3. Step 3: Cross multiply
    275,536.72x = 380,195.40 × 162,344.08
  4. Step 4: Simplify right side
    275,536.72x = 61,722,472,433.23
  5. Step 5: Solve for x
    x = 61,722,472,433.23/275,536.72
  6. Step 6: Final answer
    x = 224,008.16

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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.