Finding the Fourth Proportional to 306,313.84, 422,713.34 and 170,344.82
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Solution
The fourth proportional to 306,313.84, 422,713.34 and 170,344.82 is: 235,075.99
Step by Step Solution
- Step 1: Write the proportion equation
306,313.84 : 422,713.34 = 170,344.82 : x - Step 2: Convert to fraction form
306,313.84/422,713.34 = 170,344.82/x - Step 3: Cross multiply
306,313.84x = 422,713.34 × 170,344.82 - Step 4: Simplify right side
306,313.84x = 72,007,027,813.90 - Step 5: Solve for x
x = 72,007,027,813.90/306,313.84 - Step 6: Final answer
x = 235,075.99
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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.