Finding the Fourth Proportional to 380,218.68, 524,702.44 and 208,136.75
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Solution
The fourth proportional to 380,218.68, 524,702.44 and 208,136.75 is: 287,229.08
Step by Step Solution
- Step 1: Write the proportion equation
380,218.68 : 524,702.44 = 208,136.75 : x - Step 2: Convert to fraction form
380,218.68/524,702.44 = 208,136.75/x - Step 3: Cross multiply
380,218.68x = 524,702.44 × 208,136.75 - Step 4: Simplify right side
380,218.68x = 109,209,860,578.67 - Step 5: Solve for x
x = 109,209,860,578.67/380,218.68 - Step 6: Final answer
x = 287,229.08
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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.