Finding the Fourth Proportional to 328,296.68, 452,972.28 and 199,232.24
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Solution
The fourth proportional to 328,296.68, 452,972.28 and 199,232.24 is: 274,893.68
Step by Step Solution
- Step 1: Write the proportion equation
328,296.68 : 452,972.28 = 199,232.24 : x - Step 2: Convert to fraction form
328,296.68/452,972.28 = 199,232.24/x - Step 3: Cross multiply
328,296.68x = 452,972.28 × 199,232.24 - Step 4: Simplify right side
328,296.68x = 90,246,682,002.31 - Step 5: Solve for x
x = 90,246,682,002.31/328,296.68 - Step 6: Final answer
x = 274,893.68
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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.