Finding the Fourth Proportional to 276,724.10, 381,907.96 and 169,365.62
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Solution
The fourth proportional to 276,724.10, 381,907.96 and 169,365.62 is: 233,742.12
Step by Step Solution
- Step 1: Write the proportion equation
276,724.10 : 381,907.96 = 169,365.62 : x - Step 2: Convert to fraction form
276,724.10/381,907.96 = 169,365.62/x - Step 3: Cross multiply
276,724.10x = 381,907.96 × 169,365.62 - Step 4: Simplify right side
276,724.10x = 64,682,076,095.38 - Step 5: Solve for x
x = 64,682,076,095.38/276,724.10 - Step 6: Final answer
x = 233,742.12
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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.