Finding the Fourth Proportional to 166,717.13, 230,069.63 and 91,265.63
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Solution
The fourth proportional to 166,717.13, 230,069.63 and 91,265.63 is: 125,946.56
Step by Step Solution
- Step 1: Write the proportion equation
166,717.13 : 230,069.63 = 91,265.63 : x - Step 2: Convert to fraction form
166,717.13/230,069.63 = 91,265.63/x - Step 3: Cross multiply
166,717.13x = 230,069.63 × 91,265.63 - Step 4: Simplify right side
166,717.13x = 20,997,448,803.63 - Step 5: Solve for x
x = 20,997,448,803.63/166,717.13 - Step 6: Final answer
x = 125,946.56
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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.