Finding the Fourth Proportional to 449,296.23, 618,975.07 and 313,082.99
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Solution
The fourth proportional to 449,296.23, 618,975.07 and 313,082.99 is: 431,320.25
Step by Step Solution
- Step 1: Write the proportion equation
449,296.23 : 618,975.07 = 313,082.99 : x - Step 2: Convert to fraction form
449,296.23/618,975.07 = 313,082.99/x - Step 3: Cross multiply
449,296.23x = 618,975.07 × 313,082.99 - Step 4: Simplify right side
449,296.23x = 193,790,564,094.63 - Step 5: Solve for x
x = 193,790,564,094.63/449,296.23 - Step 6: Final answer
x = 431,320.25
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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.