Finding the Fourth Proportional to 254,375.10, 351,020.07 and 141,188.94
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Solution
The fourth proportional to 254,375.10, 351,020.07 and 141,188.94 is: 194,830.99
Step by Step Solution
- Step 1: Write the proportion equation
254,375.10 : 351,020.07 = 141,188.94 : x - Step 2: Convert to fraction form
254,375.10/351,020.07 = 141,188.94/x - Step 3: Cross multiply
254,375.10x = 351,020.07 × 141,188.94 - Step 4: Simplify right side
254,375.10x = 49,560,151,602.03 - Step 5: Solve for x
x = 49,560,151,602.03/254,375.10 - Step 6: Final answer
x = 194,830.99
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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.