Finding the Fourth Proportional to 289,629.52, 399,269.92 and 203,325.68
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Solution
The fourth proportional to 289,629.52, 399,269.92 and 203,325.68 is: 280,295.42
Step by Step Solution
- Step 1: Write the proportion equation
289,629.52 : 399,269.92 = 203,325.68 : x - Step 2: Convert to fraction form
289,629.52/399,269.92 = 203,325.68/x - Step 3: Cross multiply
289,629.52x = 399,269.92 × 203,325.68 - Step 4: Simplify right side
289,629.52x = 81,181,827,987.55 - Step 5: Solve for x
x = 81,181,827,987.55/289,629.52 - Step 6: Final answer
x = 280,295.42
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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.