Finding the Fourth Proportional to 419,658.66, 629,674.08 and 219,931.62
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Solution
The fourth proportional to 419,658.66, 629,674.08 and 219,931.62 is: 329,994.95
Step by Step Solution
- Step 1: Write the proportion equation
419,658.66 : 629,674.08 = 219,931.62 : x - Step 2: Convert to fraction form
419,658.66/629,674.08 = 219,931.62/x - Step 3: Cross multiply
419,658.66x = 629,674.08 × 219,931.62 - Step 4: Simplify right side
419,658.66x = 138,485,240,486.41 - Step 5: Solve for x
x = 138,485,240,486.41/419,658.66 - Step 6: Final answer
x = 329,994.95
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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.