Finding the Fourth Proportional to 212,284.05, 292,941.41 and 116,788.29
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Solution
The fourth proportional to 212,284.05, 292,941.41 and 116,788.29 is: 161,162.02
Step by Step Solution
- Step 1: Write the proportion equation
212,284.05 : 292,941.41 = 116,788.29 : x - Step 2: Convert to fraction form
212,284.05/292,941.41 = 116,788.29/x - Step 3: Cross multiply
212,284.05x = 292,941.41 × 116,788.29 - Step 4: Simplify right side
212,284.05x = 34,212,125,760.15 - Step 5: Solve for x
x = 34,212,125,760.15/212,284.05 - Step 6: Final answer
x = 161,162.02
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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.