Finding the Fourth Proportional to 401,770.92, 554,436.12 and 220,482.12
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Solution
The fourth proportional to 401,770.92, 554,436.12 and 220,482.12 is: 304,261.07
Step by Step Solution
- Step 1: Write the proportion equation
401,770.92 : 554,436.12 = 220,482.12 : x - Step 2: Convert to fraction form
401,770.92/554,436.12 = 220,482.12/x - Step 3: Cross multiply
401,770.92x = 554,436.12 × 220,482.12 - Step 4: Simplify right side
401,770.92x = 122,243,251,142.17 - Step 5: Solve for x
x = 122,243,251,142.17/401,770.92 - Step 6: Final answer
x = 304,261.07
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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.