Finding the Fourth Proportional to 199,175.19, 298,959.62 and 105,680.94
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Solution
The fourth proportional to 199,175.19, 298,959.62 and 105,680.94 is: 158,625.85
Step by Step Solution
- Step 1: Write the proportion equation
199,175.19 : 298,959.62 = 105,680.94 : x - Step 2: Convert to fraction form
199,175.19/298,959.62 = 105,680.94/x - Step 3: Cross multiply
199,175.19x = 298,959.62 × 105,680.94 - Step 4: Simplify right side
199,175.19x = 31,594,333,135.24 - Step 5: Solve for x
x = 31,594,333,135.24/199,175.19 - Step 6: Final answer
x = 158,625.85
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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.