Finding the Fourth Proportional to 866,271.19, 1,299,592.22 and 259,107.13
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Solution
The fourth proportional to 866,271.19, 1,299,592.22 and 259,107.13 is: 388,716.15
Step by Step Solution
- Step 1: Write the proportion equation
866,271.19 : 1,299,592.22 = 259,107.13 : x - Step 2: Convert to fraction form
866,271.19/1,299,592.22 = 259,107.13/x - Step 3: Cross multiply
866,271.19x = 1,299,592.22 × 259,107.13 - Step 4: Simplify right side
866,271.19x = 336,733,602,501.03 - Step 5: Solve for x
x = 336,733,602,501.03/866,271.19 - Step 6: Final answer
x = 388,716.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.