Finding the Fourth Proportional to 211,623.29, 317,517.56 and 93,211.62
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Solution
The fourth proportional to 211,623.29, 317,517.56 and 93,211.62 is: 139,853.82
Step by Step Solution
- Step 1: Write the proportion equation
211,623.29 : 317,517.56 = 93,211.62 : x - Step 2: Convert to fraction form
211,623.29/317,517.56 = 93,211.62/x - Step 3: Cross multiply
211,623.29x = 317,517.56 × 93,211.62 - Step 4: Simplify right side
211,623.29x = 29,596,326,146.05 - Step 5: Solve for x
x = 29,596,326,146.05/211,623.29 - Step 6: Final answer
x = 139,853.82
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1.5x scale
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.