Finding the Fourth Proportional to 212,766.09, 293,613.57 and 117,281.67
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Solution
The fourth proportional to 212,766.09, 293,613.57 and 117,281.67 is: 161,846.70
Step by Step Solution
- Step 1: Write the proportion equation
212,766.09 : 293,613.57 = 117,281.67 : x - Step 2: Convert to fraction form
212,766.09/293,613.57 = 117,281.67/x - Step 3: Cross multiply
212,766.09x = 293,613.57 × 117,281.67 - Step 4: Simplify right side
212,766.09x = 34,435,489,824.26 - Step 5: Solve for x
x = 34,435,489,824.26/212,766.09 - Step 6: Final answer
x = 161,846.70
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1.5x scale
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.