Finding the Fourth Proportional to 421,629.91, 581,454.96 and 335,873.99
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Solution
The fourth proportional to 421,629.91, 581,454.96 and 335,873.99 is: 463,191.99
Step by Step Solution
- Step 1: Write the proportion equation
421,629.91 : 581,454.96 = 335,873.99 : x - Step 2: Convert to fraction form
421,629.91/581,454.96 = 335,873.99/x - Step 3: Cross multiply
421,629.91x = 581,454.96 × 335,873.99 - Step 4: Simplify right side
421,629.91x = 195,295,597,614.60 - Step 5: Solve for x
x = 195,295,597,614.60/421,629.91 - Step 6: Final answer
x = 463,191.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.