Finding the Fourth Proportional to 316,382.03, 436,810.97 and 282,331.97
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Solution
The fourth proportional to 316,382.03, 436,810.97 and 282,331.97 is: 389,799.95
Step by Step Solution
- Step 1: Write the proportion equation
316,382.03 : 436,810.97 = 282,331.97 : x - Step 2: Convert to fraction form
316,382.03/436,810.97 = 282,331.97/x - Step 3: Cross multiply
316,382.03x = 436,810.97 × 282,331.97 - Step 4: Simplify right side
316,382.03x = 123,325,700,199.49 - Step 5: Solve for x
x = 123,325,700,199.49/316,382.03 - Step 6: Final answer
x = 389,799.95
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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.