Finding the Fourth Proportional to 212,274.74, 292,936.02 and 116,775.74
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Solution
The fourth proportional to 212,274.74, 292,936.02 and 116,775.74 is: 161,148.80
Step by Step Solution
- Step 1: Write the proportion equation
212,274.74 : 292,936.02 = 116,775.74 : x - Step 2: Convert to fraction form
212,274.74/292,936.02 = 116,775.74/x - Step 3: Cross multiply
212,274.74x = 292,936.02 × 116,775.74 - Step 4: Simplify right side
212,274.74x = 34,207,820,508.15 - Step 5: Solve for x
x = 34,207,820,508.15/212,274.74 - Step 6: Final answer
x = 161,148.80
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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.