Finding the Fourth Proportional to 419,716.66, 629,344.14 and 286,747.06
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Solution
The fourth proportional to 419,716.66, 629,344.14 and 286,747.06 is: 429,962.88
Step by Step Solution
- Step 1: Write the proportion equation
419,716.66 : 629,344.14 = 286,747.06 : x - Step 2: Convert to fraction form
419,716.66/629,344.14 = 286,747.06/x - Step 3: Cross multiply
419,716.66x = 629,344.14 × 286,747.06 - Step 4: Simplify right side
419,716.66x = 180,462,581,873.23 - Step 5: Solve for x
x = 180,462,581,873.23/419,716.66 - Step 6: Final answer
x = 429,962.88
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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.