Finding the Fourth Proportional to 225,989.08, 338,986.02 and 68,218.84
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Solution
The fourth proportional to 225,989.08, 338,986.02 and 68,218.84 is: 102,328.98
Step by Step Solution
- Step 1: Write the proportion equation
225,989.08 : 338,986.02 = 68,218.84 : x - Step 2: Convert to fraction form
225,989.08/338,986.02 = 68,218.84/x - Step 3: Cross multiply
225,989.08x = 338,986.02 × 68,218.84 - Step 4: Simplify right side
225,989.08x = 23,125,233,060.62 - Step 5: Solve for x
x = 23,125,233,060.62/225,989.08 - Step 6: Final answer
x = 102,328.98
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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.