Finding the Fourth Proportional to 186,844.23, 257,843.61 and 106,271.65
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Solution
The fourth proportional to 186,844.23, 257,843.61 and 106,271.65 is: 146,654.07
Step by Step Solution
- Step 1: Write the proportion equation
186,844.23 : 257,843.61 = 106,271.65 : x - Step 2: Convert to fraction form
186,844.23/257,843.61 = 106,271.65/x - Step 3: Cross multiply
186,844.23x = 257,843.61 × 106,271.65 - Step 4: Simplify right side
186,844.23x = 27,401,465,876.66 - Step 5: Solve for x
x = 27,401,465,876.66/186,844.23 - Step 6: Final answer
x = 146,654.07
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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.