Finding the Fourth Proportional to 418,709.69, 627,970.19 and 119,183.63
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Solution
The fourth proportional to 418,709.69, 627,970.19 and 119,183.63 is: 178,748.59
Step by Step Solution
- Step 1: Write the proportion equation
418,709.69 : 627,970.19 = 119,183.63 : x - Step 2: Convert to fraction form
418,709.69/627,970.19 = 119,183.63/x - Step 3: Cross multiply
418,709.69x = 627,970.19 × 119,183.63 - Step 4: Simplify right side
418,709.69x = 74,843,766,775.99 - Step 5: Solve for x
x = 74,843,766,775.99/418,709.69 - Step 6: Final answer
x = 178,748.59
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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.