Finding the Fourth Proportional to 382,551.26, 528,062.85 and 328,619.84
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Solution
The fourth proportional to 382,551.26, 528,062.85 and 328,619.84 is: 453,617.45
Step by Step Solution
- Step 1: Write the proportion equation
382,551.26 : 528,062.85 = 328,619.84 : x - Step 2: Convert to fraction form
382,551.26/528,062.85 = 328,619.84/x - Step 3: Cross multiply
382,551.26x = 528,062.85 × 328,619.84 - Step 4: Simplify right side
382,551.26x = 173,531,926,636.63 - Step 5: Solve for x
x = 173,531,926,636.63/382,551.26 - Step 6: Final answer
x = 453,617.45
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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.