Finding the Fourth Proportional to 212,600.80, 293,388.70 and 117,113.92
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Solution
The fourth proportional to 212,600.80, 293,388.70 and 117,113.92 is: 161,616.99
Step by Step Solution
- Step 1: Write the proportion equation
212,600.80 : 293,388.70 = 117,113.92 : x - Step 2: Convert to fraction form
212,600.80/293,388.70 = 117,113.92/x - Step 3: Cross multiply
212,600.80x = 293,388.70 × 117,113.92 - Step 4: Simplify right side
212,600.80x = 34,359,900,740.70 - Step 5: Solve for x
x = 34,359,900,740.70/212,600.80 - Step 6: Final answer
x = 161,616.99
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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.