Finding the Fourth Proportional to 212,775.68, 293,630.45 and 117,284.42
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Solution
The fourth proportional to 212,775.68, 293,630.45 and 117,284.42 is: 161,852.50
Step by Step Solution
- Step 1: Write the proportion equation
212,775.68 : 293,630.45 = 117,284.42 : x - Step 2: Convert to fraction form
212,775.68/293,630.45 = 117,284.42/x - Step 3: Cross multiply
212,775.68x = 293,630.45 × 117,284.42 - Step 4: Simplify right side
212,775.68x = 34,438,277,170.24 - Step 5: Solve for x
x = 34,438,277,170.24/212,775.68 - Step 6: Final answer
x = 161,852.50
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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.