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Finding the Fourth Proportional to 270,350.55, 373,078.31 and 149,496.93

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Solution

The fourth proportional to 270,350.55, 373,078.31 and 149,496.93 is: 206,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,350.55 : 373,078.31 = 149,496.93 : x
  2. Step 2: Convert to fraction form
    270,350.55/373,078.31 = 149,496.93/x
  3. Step 3: Cross multiply
    270,350.55x = 373,078.31 × 149,496.93
  4. Step 4: Simplify right side
    270,350.55x = 55,774,061,247.10
  5. Step 5: Solve for x
    x = 55,774,061,247.10/270,350.55
  6. Step 6: Final answer
    x = 206,302.75

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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.