Finding the Fourth Proportional to 212,802.97, 293,670.14 and 117,313.08
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Solution
The fourth proportional to 212,802.97, 293,670.14 and 117,313.08 is: 161,893.18
Step by Step Solution
- Step 1: Write the proportion equation
212,802.97 : 293,670.14 = 117,313.08 : x - Step 2: Convert to fraction form
212,802.97/293,670.14 = 117,313.08/x - Step 3: Cross multiply
212,802.97x = 293,670.14 × 117,313.08 - Step 4: Simplify right side
212,802.97x = 34,451,348,627.43 - Step 5: Solve for x
x = 34,451,348,627.43/212,802.97 - Step 6: Final answer
x = 161,893.18
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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.