Finding the Fourth Proportional to 354,703.73, 531,850.79 and 242,519.81
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Solution
The fourth proportional to 354,703.73, 531,850.79 and 242,519.81 is: 363,639.68
Step by Step Solution
- Step 1: Write the proportion equation
354,703.73 : 531,850.79 = 242,519.81 : x - Step 2: Convert to fraction form
354,703.73/531,850.79 = 242,519.81/x - Step 3: Cross multiply
354,703.73x = 531,850.79 × 242,519.81 - Step 4: Simplify right side
354,703.73x = 128,984,350,486.20 - Step 5: Solve for x
x = 128,984,350,486.20/354,703.73 - Step 6: Final answer
x = 363,639.68
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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.