Finding the Fourth Proportional to 237,623.43, 327,907.80 and 135,644.84
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Solution
The fourth proportional to 237,623.43, 327,907.80 and 135,644.84 is: 187,182.72
Step by Step Solution
- Step 1: Write the proportion equation
237,623.43 : 327,907.80 = 135,644.84 : x - Step 2: Convert to fraction form
237,623.43/327,907.80 = 135,644.84/x - Step 3: Cross multiply
237,623.43x = 327,907.80 × 135,644.84 - Step 4: Simplify right side
237,623.43x = 44,478,999,426.21 - Step 5: Solve for x
x = 44,478,999,426.21/237,623.43 - Step 6: Final answer
x = 187,182.72
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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.