Finding the Fourth Proportional to 186,724.08, 257,678.03 and 106,151.63
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Solution
The fourth proportional to 186,724.08, 257,678.03 and 106,151.63 is: 146,488.56
Step by Step Solution
- Step 1: Write the proportion equation
186,724.08 : 257,678.03 = 106,151.63 : x - Step 2: Convert to fraction form
186,724.08/257,678.03 = 106,151.63/x - Step 3: Cross multiply
186,724.08x = 257,678.03 × 106,151.63 - Step 4: Simplify right side
186,724.08x = 27,352,941,080.54 - Step 5: Solve for x
x = 27,352,941,080.54/186,724.08 - Step 6: Final answer
x = 146,488.56
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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.