Finding the Fourth Proportional to 455,902.91, 629,232.94 and 300,581.48
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Solution
The fourth proportional to 455,902.91, 629,232.94 and 300,581.48 is: 414,859.75
Step by Step Solution
- Step 1: Write the proportion equation
455,902.91 : 629,232.94 = 300,581.48 : x - Step 2: Convert to fraction form
455,902.91/629,232.94 = 300,581.48/x - Step 3: Cross multiply
455,902.91x = 629,232.94 × 300,581.48 - Step 4: Simplify right side
455,902.91x = 189,135,768,369.95 - Step 5: Solve for x
x = 189,135,768,369.95/455,902.91 - Step 6: Final answer
x = 414,859.75
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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.