Finding the Fourth Proportional to 418,259.91, 627,391.97 and 102,716.91
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Solution
The fourth proportional to 418,259.91, 627,391.97 and 102,716.91 is: 154,075.88
Step by Step Solution
- Step 1: Write the proportion equation
418,259.91 : 627,391.97 = 102,716.91 : x - Step 2: Convert to fraction form
418,259.91/627,391.97 = 102,716.91/x - Step 3: Cross multiply
418,259.91x = 627,391.97 × 102,716.91 - Step 4: Simplify right side
418,259.91x = 64,443,764,003.63 - Step 5: Solve for x
x = 64,443,764,003.63/418,259.91 - Step 6: Final answer
x = 154,075.88
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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.