Finding the Fourth Proportional to 356,612.47, 492,175.67 and 220,690.19
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Solution
The fourth proportional to 356,612.47, 492,175.67 and 220,690.19 is: 304,583.69
Step by Step Solution
- Step 1: Write the proportion equation
356,612.47 : 492,175.67 = 220,690.19 : x - Step 2: Convert to fraction form
356,612.47/492,175.67 = 220,690.19/x - Step 3: Cross multiply
356,612.47x = 492,175.67 × 220,690.19 - Step 4: Simplify right side
356,612.47x = 108,618,342,181.24 - Step 5: Solve for x
x = 108,618,342,181.24/356,612.47 - Step 6: Final answer
x = 304,583.69
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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.