Finding the Fourth Proportional to 460,601.24, 690,806.60 and 123,561.99
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Solution
The fourth proportional to 460,601.24, 690,806.60 and 123,561.99 is: 185,317.43
Step by Step Solution
- Step 1: Write the proportion equation
460,601.24 : 690,806.60 = 123,561.99 : x - Step 2: Convert to fraction form
460,601.24/690,806.60 = 123,561.99/x - Step 3: Cross multiply
460,601.24x = 690,806.60 × 123,561.99 - Step 4: Simplify right side
460,601.24x = 85,357,437,583.32 - Step 5: Solve for x
x = 85,357,437,583.32/460,601.24 - Step 6: Final answer
x = 185,317.43
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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.