Finding the Fourth Proportional to 186,772.97, 257,753.91 and 106,207.81
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Solution
The fourth proportional to 186,772.97, 257,753.91 and 106,207.81 is: 146,570.88
Step by Step Solution
- Step 1: Write the proportion equation
186,772.97 : 257,753.91 = 106,207.81 : x - Step 2: Convert to fraction form
186,772.97/257,753.91 = 106,207.81/x - Step 3: Cross multiply
186,772.97x = 257,753.91 × 106,207.81 - Step 4: Simplify right side
186,772.97x = 27,375,478,053.93 - Step 5: Solve for x
x = 27,375,478,053.93/186,772.97 - Step 6: Final answer
x = 146,570.88
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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.