Finding the Fourth Proportional to 377,858.16, 521,437.96 and 208,108.08
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Solution
The fourth proportional to 377,858.16, 521,437.96 and 208,108.08 is: 287,185.68
Step by Step Solution
- Step 1: Write the proportion equation
377,858.16 : 521,437.96 = 208,108.08 : x - Step 2: Convert to fraction form
377,858.16/521,437.96 = 208,108.08/x - Step 3: Cross multiply
377,858.16x = 521,437.96 × 208,108.08 - Step 4: Simplify right side
377,858.16x = 108,515,452,694.72 - Step 5: Solve for x
x = 108,515,452,694.72/377,858.16 - Step 6: Final answer
x = 287,185.68
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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.