Finding the Fourth Proportional to 188,644.14, 282,935.45 and 55,493.26
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Solution
The fourth proportional to 188,644.14, 282,935.45 and 55,493.26 is: 83,230.84
Step by Step Solution
- Step 1: Write the proportion equation
188,644.14 : 282,935.45 = 55,493.26 : x - Step 2: Convert to fraction form
188,644.14/282,935.45 = 55,493.26/x - Step 3: Cross multiply
188,644.14x = 282,935.45 × 55,493.26 - Step 4: Simplify right side
188,644.14x = 15,701,009,921.46 - Step 5: Solve for x
x = 15,701,009,921.46/188,644.14 - Step 6: Final answer
x = 83,230.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.