Finding the Fourth Proportional to 609,684.88, 841,213.14 and 351,640.75
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Solution
The fourth proportional to 609,684.88, 841,213.14 and 351,640.75 is: 485,176.57
Step by Step Solution
- Step 1: Write the proportion equation
609,684.88 : 841,213.14 = 351,640.75 : x - Step 2: Convert to fraction form
609,684.88/841,213.14 = 351,640.75/x - Step 3: Cross multiply
609,684.88x = 841,213.14 × 351,640.75 - Step 4: Simplify right side
609,684.88x = 295,804,816,123.98 - Step 5: Solve for x
x = 295,804,816,123.98/609,684.88 - Step 6: Final answer
x = 485,176.57
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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.