Finding the Fourth Proportional to 212,729.41, 293,565.10 and 117,236.19
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Solution
The fourth proportional to 212,729.41, 293,565.10 and 117,236.19 is: 161,785.12
Step by Step Solution
- Step 1: Write the proportion equation
212,729.41 : 293,565.10 = 117,236.19 : x - Step 2: Convert to fraction form
212,729.41/293,565.10 = 117,236.19/x - Step 3: Cross multiply
212,729.41x = 293,565.10 × 117,236.19 - Step 4: Simplify right side
212,729.41x = 34,416,453,254.79 - Step 5: Solve for x
x = 34,416,453,254.79/212,729.41 - Step 6: Final answer
x = 161,785.12
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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.