Finding the Fourth Proportional to 237,783.75, 328,141.58 and 137,181.75
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Solution
The fourth proportional to 237,783.75, 328,141.58 and 137,181.75 is: 189,310.82
Step by Step Solution
- Step 1: Write the proportion equation
237,783.75 : 328,141.58 = 137,181.75 : x - Step 2: Convert to fraction form
237,783.75/328,141.58 = 137,181.75/x - Step 3: Cross multiply
237,783.75x = 328,141.58 × 137,181.75 - Step 4: Simplify right side
237,783.75x = 45,015,035,506.26 - Step 5: Solve for x
x = 45,015,035,506.26/237,783.75 - Step 6: Final answer
x = 189,310.82
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1.5x scale
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.