Finding the Fourth Proportional to 198,153.27, 297,252.36 and 71,852.94
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Solution
The fourth proportional to 198,153.27, 297,252.36 and 71,852.94 is: 107,787.55
Step by Step Solution
- Step 1: Write the proportion equation
198,153.27 : 297,252.36 = 71,852.94 : x - Step 2: Convert to fraction form
198,153.27/297,252.36 = 71,852.94/x - Step 3: Cross multiply
198,153.27x = 297,252.36 × 71,852.94 - Step 4: Simplify right side
198,153.27x = 21,358,455,987.94 - Step 5: Solve for x
x = 21,358,455,987.94/198,153.27 - Step 6: Final answer
x = 107,787.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.