Finding the Fourth Proportional to 212,284.98, 292,953.26 and 116,789.63
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Solution
The fourth proportional to 212,284.98, 292,953.26 and 116,789.63 is: 161,169.68
Step by Step Solution
- Step 1: Write the proportion equation
212,284.98 : 292,953.26 = 116,789.63 : x - Step 2: Convert to fraction form
212,284.98/292,953.26 = 116,789.63/x - Step 3: Cross multiply
212,284.98x = 292,953.26 × 116,789.63 - Step 4: Simplify right side
212,284.98x = 34,213,901,669.90 - Step 5: Solve for x
x = 34,213,901,669.90/212,284.98 - Step 6: Final answer
x = 161,169.68
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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.