Finding the Fourth Proportional to 276,969.84, 415,390.44 and 108,493.68
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Solution
The fourth proportional to 276,969.84, 415,390.44 and 108,493.68 is: 162,715.32
Step by Step Solution
- Step 1: Write the proportion equation
276,969.84 : 415,390.44 = 108,493.68 : x - Step 2: Convert to fraction form
276,969.84/415,390.44 = 108,493.68/x - Step 3: Cross multiply
276,969.84x = 415,390.44 × 108,493.68 - Step 4: Simplify right side
276,969.84x = 45,067,237,472.42 - Step 5: Solve for x
x = 45,067,237,472.42/276,969.84 - Step 6: Final answer
x = 162,715.32
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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.