Finding the Fourth Proportional to 329,745.82, 455,059.56 and 186,503.08
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Solution
The fourth proportional to 329,745.82, 455,059.56 and 186,503.08 is: 257,380.09
Step by Step Solution
- Step 1: Write the proportion equation
329,745.82 : 455,059.56 = 186,503.08 : x - Step 2: Convert to fraction form
329,745.82/455,059.56 = 186,503.08/x - Step 3: Cross multiply
329,745.82x = 455,059.56 × 186,503.08 - Step 4: Simplify right side
329,745.82x = 84,870,009,523.44 - Step 5: Solve for x
x = 84,870,009,523.44/329,745.82 - Step 6: Final answer
x = 257,380.09
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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.