Finding the Fourth Proportional to 212,529.96, 293,293.44 and 117,039.60
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Solution
The fourth proportional to 212,529.96, 293,293.44 and 117,039.60 is: 161,515.80
Step by Step Solution
- Step 1: Write the proportion equation
212,529.96 : 293,293.44 = 117,039.60 : x - Step 2: Convert to fraction form
212,529.96/293,293.44 = 117,039.60/x - Step 3: Cross multiply
212,529.96x = 293,293.44 × 117,039.60 - Step 4: Simplify right side
212,529.96x = 34,326,946,900.22 - Step 5: Solve for x
x = 34,326,946,900.22/212,529.96 - Step 6: Final answer
x = 161,515.80
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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.