Finding the Fourth Proportional to 625,893.26, 938,970.57 and 205,136.06
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Solution
The fourth proportional to 625,893.26, 938,970.57 and 205,136.06 is: 307,746.92
Step by Step Solution
- Step 1: Write the proportion equation
625,893.26 : 938,970.57 = 205,136.06 : x - Step 2: Convert to fraction form
625,893.26/938,970.57 = 205,136.06/x - Step 3: Cross multiply
625,893.26x = 938,970.57 × 205,136.06 - Step 4: Simplify right side
625,893.26x = 192,616,723,185.75 - Step 5: Solve for x
x = 192,616,723,185.75/625,893.26 - Step 6: Final answer
x = 307,746.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.