Finding the Fourth Proportional to 182,357.80, 251,787.06 and 117,865.19
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Solution
The fourth proportional to 182,357.80, 251,787.06 and 117,865.19 is: 162,740.12
Step by Step Solution
- Step 1: Write the proportion equation
182,357.80 : 251,787.06 = 117,865.19 : x - Step 2: Convert to fraction form
182,357.80/251,787.06 = 117,865.19/x - Step 3: Cross multiply
182,357.80x = 251,787.06 × 117,865.19 - Step 4: Simplify right side
182,357.80x = 29,676,929,666.44 - Step 5: Solve for x
x = 29,676,929,666.44/182,357.80 - Step 6: Final answer
x = 162,740.12
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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.