Finding the Fourth Proportional to 419,649.66, 629,660.58 and 219,922.62
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Solution
The fourth proportional to 419,649.66, 629,660.58 and 219,922.62 is: 329,981.45
Step by Step Solution
- Step 1: Write the proportion equation
419,649.66 : 629,660.58 = 219,922.62 : x - Step 2: Convert to fraction form
419,649.66/629,660.58 = 219,922.62/x - Step 3: Cross multiply
419,649.66x = 629,660.58 × 219,922.62 - Step 4: Simplify right side
419,649.66x = 138,476,604,464.32 - Step 5: Solve for x
x = 138,476,604,464.32/419,649.66 - Step 6: Final answer
x = 329,981.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.