Finding the Fourth Proportional to 306,650.25, 423,174.11 and 170,682.03
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Solution
The fourth proportional to 306,650.25, 423,174.11 and 170,682.03 is: 235,539.40
Step by Step Solution
- Step 1: Write the proportion equation
306,650.25 : 423,174.11 = 170,682.03 : x - Step 2: Convert to fraction form
306,650.25/423,174.11 = 170,682.03/x - Step 3: Cross multiply
306,650.25x = 423,174.11 × 170,682.03 - Step 4: Simplify right side
306,650.25x = 72,228,216,138.24 - Step 5: Solve for x
x = 72,228,216,138.24/306,650.25 - Step 6: Final answer
x = 235,539.40
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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.