Finding the Fourth Proportional to 212,889.44, 293,781.12 and 117,396.12
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Solution
The fourth proportional to 212,889.44, 293,781.12 and 117,396.12 is: 162,003.17
Step by Step Solution
- Step 1: Write the proportion equation
212,889.44 : 293,781.12 = 117,396.12 : x - Step 2: Convert to fraction form
212,889.44/293,781.12 = 117,396.12/x - Step 3: Cross multiply
212,889.44x = 293,781.12 × 117,396.12 - Step 4: Simplify right side
212,889.44x = 34,488,763,617.25 - Step 5: Solve for x
x = 34,488,763,617.25/212,889.44 - Step 6: Final answer
x = 162,003.17
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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.