Finding the Fourth Proportional to 186,745.01, 257,690.80 and 106,156.80
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Solution
The fourth proportional to 186,745.01, 257,690.80 and 106,156.80 is: 146,486.54
Step by Step Solution
- Step 1: Write the proportion equation
186,745.01 : 257,690.80 = 106,156.80 : x - Step 2: Convert to fraction form
186,745.01/257,690.80 = 106,156.80/x - Step 3: Cross multiply
186,745.01x = 257,690.80 × 106,156.80 - Step 4: Simplify right side
186,745.01x = 27,355,630,452.05 - Step 5: Solve for x
x = 27,355,630,452.05/186,745.01 - Step 6: Final answer
x = 146,486.54
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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.