Finding the Fourth Proportional to 186,648.62, 257,580.72 and 101,767.10
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Solution
The fourth proportional to 186,648.62, 257,580.72 and 101,767.10 is: 140,441.66
Step by Step Solution
- Step 1: Write the proportion equation
186,648.62 : 257,580.72 = 101,767.10 : x - Step 2: Convert to fraction form
186,648.62/257,580.72 = 101,767.10/x - Step 3: Cross multiply
186,648.62x = 257,580.72 × 101,767.10 - Step 4: Simplify right side
186,648.62x = 26,213,242,890.31 - Step 5: Solve for x
x = 26,213,242,890.31/186,648.62 - Step 6: Final answer
x = 140,441.66
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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.