Finding the Fourth Proportional to 186,702.37, 257,610.64 and 109,163.08
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Solution
The fourth proportional to 186,702.37, 257,610.64 and 109,163.08 is: 150,622.47
Step by Step Solution
- Step 1: Write the proportion equation
186,702.37 : 257,610.64 = 109,163.08 : x - Step 2: Convert to fraction form
186,702.37/257,610.64 = 109,163.08/x - Step 3: Cross multiply
186,702.37x = 257,610.64 × 109,163.08 - Step 4: Simplify right side
186,702.37x = 28,121,570,948.20 - Step 5: Solve for x
x = 28,121,570,948.20/186,702.37 - Step 6: Final answer
x = 150,622.47
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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.