Finding the Fourth Proportional to 169,152.36, 253,696.79 and 84,889.92
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Solution
The fourth proportional to 169,152.36, 253,696.79 and 84,889.92 is: 127,318.94
Step by Step Solution
- Step 1: Write the proportion equation
169,152.36 : 253,696.79 = 84,889.92 : x - Step 2: Convert to fraction form
169,152.36/253,696.79 = 84,889.92/x - Step 3: Cross multiply
169,152.36x = 253,696.79 × 84,889.92 - Step 4: Simplify right side
169,152.36x = 21,536,299,782.91 - Step 5: Solve for x
x = 21,536,299,782.91/169,152.36 - Step 6: Final answer
x = 127,318.94
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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.