Finding the Fourth Proportional to 664,390.47, 996,716.85 and 243,669.99
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Solution
The fourth proportional to 664,390.47, 996,716.85 and 243,669.99 is: 365,553.08
Step by Step Solution
- Step 1: Write the proportion equation
664,390.47 : 996,716.85 = 243,669.99 : x - Step 2: Convert to fraction form
664,390.47/996,716.85 = 243,669.99/x - Step 3: Cross multiply
664,390.47x = 996,716.85 × 243,669.99 - Step 4: Simplify right side
664,390.47x = 242,869,979,888.75 - Step 5: Solve for x
x = 242,869,979,888.75/664,390.47 - Step 6: Final answer
x = 365,553.08
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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.