Finding the Fourth Proportional to 186,715.08, 257,622.52 and 106,136.28
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Solution
The fourth proportional to 186,715.08, 257,622.52 and 106,136.28 is: 146,442.89
Step by Step Solution
- Step 1: Write the proportion equation
186,715.08 : 257,622.52 = 106,136.28 : x - Step 2: Convert to fraction form
186,715.08/257,622.52 = 106,136.28/x - Step 3: Cross multiply
186,715.08x = 257,622.52 × 106,136.28 - Step 4: Simplify right side
186,715.08x = 27,343,095,917.03 - Step 5: Solve for x
x = 27,343,095,917.03/186,715.08 - Step 6: Final answer
x = 146,442.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.