Finding the Fourth Proportional to 377,858.49, 521,421.08 and 208,092.62
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Solution
The fourth proportional to 377,858.49, 521,421.08 and 208,092.62 is: 287,154.80
Step by Step Solution
- Step 1: Write the proportion equation
377,858.49 : 521,421.08 = 208,092.62 : x - Step 2: Convert to fraction form
377,858.49/521,421.08 = 208,092.62/x - Step 3: Cross multiply
377,858.49x = 521,421.08 × 208,092.62 - Step 4: Simplify right side
377,858.49x = 108,503,879,505.43 - Step 5: Solve for x
x = 108,503,879,505.43/377,858.49 - Step 6: Final answer
x = 287,154.80
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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.