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Finding the Fourth Proportional to 275,672.58, 380,572.65 and 185,502.66

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Solution

The fourth proportional to 275,672.58, 380,572.65 and 185,502.66 is: 256,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,672.58 : 380,572.65 = 185,502.66 : x
  2. Step 2: Convert to fraction form
    275,672.58/380,572.65 = 185,502.66/x
  3. Step 3: Cross multiply
    275,672.58x = 380,572.65 × 185,502.66
  4. Step 4: Simplify right side
    275,672.58x = 70,597,238,898.25
  5. Step 5: Solve for x
    x = 70,597,238,898.25/275,672.58
  6. Step 6: Final answer
    x = 256,090.90

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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.