Finding the Fourth Proportional to 409,716.63, 614,574.95 and 129,255.75
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Solution
The fourth proportional to 409,716.63, 614,574.95 and 129,255.75 is: 193,883.63
Step by Step Solution
- Step 1: Write the proportion equation
409,716.63 : 614,574.95 = 129,255.75 : x - Step 2: Convert to fraction form
409,716.63/614,574.95 = 129,255.75/x - Step 3: Cross multiply
409,716.63x = 614,574.95 × 129,255.75 - Step 4: Simplify right side
409,716.63x = 79,437,345,447.18 - Step 5: Solve for x
x = 79,437,345,447.18/409,716.63 - Step 6: Final answer
x = 193,883.63
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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.