Finding the Fourth Proportional to 382,632.84, 573,663.60 and 263,965.68
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Solution
The fourth proportional to 382,632.84, 573,663.60 and 263,965.68 is: 395,751.45
Step by Step Solution
- Step 1: Write the proportion equation
382,632.84 : 573,663.60 = 263,965.68 : x - Step 2: Convert to fraction form
382,632.84/573,663.60 = 263,965.68/x - Step 3: Cross multiply
382,632.84x = 573,663.60 × 263,965.68 - Step 4: Simplify right side
382,632.84x = 151,427,502,265.25 - Step 5: Solve for x
x = 151,427,502,265.25/382,632.84 - Step 6: Final answer
x = 395,751.45
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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.