Finding the Fourth Proportional to 345,142.52, 476,328.84 and 201,893.48
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Solution
The fourth proportional to 345,142.52, 476,328.84 and 201,893.48 is: 278,631.82
Step by Step Solution
- Step 1: Write the proportion equation
345,142.52 : 476,328.84 = 201,893.48 : x - Step 2: Convert to fraction form
345,142.52/476,328.84 = 201,893.48/x - Step 3: Cross multiply
345,142.52x = 476,328.84 × 201,893.48 - Step 4: Simplify right side
345,142.52x = 96,167,687,131.96 - Step 5: Solve for x
x = 96,167,687,131.96/345,142.52 - Step 6: Final answer
x = 278,631.82
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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.