Finding the Fourth Proportional to 276,859.10, 415,323.23 and 108,357.64
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Solution
The fourth proportional to 276,859.10, 415,323.23 and 108,357.64 is: 162,549.99
Step by Step Solution
- Step 1: Write the proportion equation
276,859.10 : 415,323.23 = 108,357.64 : x - Step 2: Convert to fraction form
276,859.10/415,323.23 = 108,357.64/x - Step 3: Cross multiply
276,859.10x = 415,323.23 × 108,357.64 - Step 4: Simplify right side
276,859.10x = 45,003,445,039.98 - Step 5: Solve for x
x = 45,003,445,039.98/276,859.10 - Step 6: Final answer
x = 162,549.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.