Finding the Fourth Proportional to 212,597.91, 293,375.39 and 121,948.17
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Solution
The fourth proportional to 212,597.91, 293,375.39 and 121,948.17 is: 168,282.90
Step by Step Solution
- Step 1: Write the proportion equation
212,597.91 : 293,375.39 = 121,948.17 : x - Step 2: Convert to fraction form
212,597.91/293,375.39 = 121,948.17/x - Step 3: Cross multiply
212,597.91x = 293,375.39 × 121,948.17 - Step 4: Simplify right side
212,597.91x = 35,776,592,238.41 - Step 5: Solve for x
x = 35,776,592,238.41/212,597.91 - Step 6: Final answer
x = 168,282.90
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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.