Finding the Fourth Proportional to 212,516.63, 293,272.95 and 117,023.10
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Solution
The fourth proportional to 212,516.63, 293,272.95 and 117,023.10 is: 161,491.88
Step by Step Solution
- Step 1: Write the proportion equation
212,516.63 : 293,272.95 = 117,023.10 : x - Step 2: Convert to fraction form
212,516.63/293,272.95 = 117,023.10/x - Step 3: Cross multiply
212,516.63x = 293,272.95 × 117,023.10 - Step 4: Simplify right side
212,516.63x = 34,319,709,755.15 - Step 5: Solve for x
x = 34,319,709,755.15/212,516.63 - Step 6: Final answer
x = 161,491.88
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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.