Finding the Fourth Proportional to 197,833.97, 272,994.69 and 116,153.63
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Solution
The fourth proportional to 197,833.97, 272,994.69 and 116,153.63 is: 160,282.50
Step by Step Solution
- Step 1: Write the proportion equation
197,833.97 : 272,994.69 = 116,153.63 : x - Step 2: Convert to fraction form
197,833.97/272,994.69 = 116,153.63/x - Step 3: Cross multiply
197,833.97x = 272,994.69 × 116,153.63 - Step 4: Simplify right side
197,833.97x = 31,709,324,214.22 - Step 5: Solve for x
x = 31,709,324,214.22/197,833.97 - Step 6: Final answer
x = 160,282.50
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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.