Finding the Fourth Proportional to 286,328.77, 395,168.56 and 165,471.05
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Solution
The fourth proportional to 286,328.77, 395,168.56 and 165,471.05 is: 228,370.19
Step by Step Solution
- Step 1: Write the proportion equation
286,328.77 : 395,168.56 = 165,471.05 : x - Step 2: Convert to fraction form
286,328.77/395,168.56 = 165,471.05/x - Step 3: Cross multiply
286,328.77x = 395,168.56 × 165,471.05 - Step 4: Simplify right side
286,328.77x = 65,388,956,550.19 - Step 5: Solve for x
x = 65,388,956,550.19/286,328.77 - Step 6: Final answer
x = 228,370.19
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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.