Finding the Fourth Proportional to 377,881.68, 521,474.04 and 208,114.80
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Solution
The fourth proportional to 377,881.68, 521,474.04 and 208,114.80 is: 287,196.95
Step by Step Solution
- Step 1: Write the proportion equation
377,881.68 : 521,474.04 = 208,114.80 : x - Step 2: Convert to fraction form
377,881.68/521,474.04 = 208,114.80/x - Step 3: Cross multiply
377,881.68x = 521,474.04 × 208,114.80 - Step 4: Simplify right side
377,881.68x = 108,526,465,539.79 - Step 5: Solve for x
x = 108,526,465,539.79/377,881.68 - Step 6: Final answer
x = 287,196.95
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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.