Finding the Fourth Proportional to 203,634.04, 281,010.68 and 112,988.07
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Solution
The fourth proportional to 203,634.04, 281,010.68 and 112,988.07 is: 155,921.15
Step by Step Solution
- Step 1: Write the proportion equation
203,634.04 : 281,010.68 = 112,988.07 : x - Step 2: Convert to fraction form
203,634.04/281,010.68 = 112,988.07/x - Step 3: Cross multiply
203,634.04x = 281,010.68 × 112,988.07 - Step 4: Simplify right side
203,634.04x = 31,750,854,382.59 - Step 5: Solve for x
x = 31,750,854,382.59/203,634.04 - Step 6: Final answer
x = 155,921.15
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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.