Finding the Fourth Proportional to 470,625.53, 649,224.13 and 307,377.68
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Solution
The fourth proportional to 470,625.53, 649,224.13 and 307,377.68 is: 424,025.03
Step by Step Solution
- Step 1: Write the proportion equation
470,625.53 : 649,224.13 = 307,377.68 : x - Step 2: Convert to fraction form
470,625.53/649,224.13 = 307,377.68/x - Step 3: Cross multiply
470,625.53x = 649,224.13 × 307,377.68 - Step 4: Simplify right side
470,625.53x = 199,557,007,093.07 - Step 5: Solve for x
x = 199,557,007,093.07/470,625.53 - Step 6: Final answer
x = 424,025.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.