Finding the Fourth Proportional to 169,919.63, 254,862.98 and 51,591.99
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Solution
The fourth proportional to 169,919.63, 254,862.98 and 51,591.99 is: 77,382.99
Step by Step Solution
- Step 1: Write the proportion equation
169,919.63 : 254,862.98 = 51,591.99 : x - Step 2: Convert to fraction form
169,919.63/254,862.98 = 51,591.99/x - Step 3: Cross multiply
169,919.63x = 254,862.98 × 51,591.99 - Step 4: Simplify right side
169,919.63x = 13,148,888,057.57 - Step 5: Solve for x
x = 13,148,888,057.57/169,919.63 - Step 6: Final answer
x = 77,382.99
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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.