Finding the Fourth Proportional to 305,239.44, 457,936.96 and 94,879.20
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Solution
The fourth proportional to 305,239.44, 457,936.96 and 94,879.20 is: 142,342.98
Step by Step Solution
- Step 1: Write the proportion equation
305,239.44 : 457,936.96 = 94,879.20 : x - Step 2: Convert to fraction form
305,239.44/457,936.96 = 94,879.20/x - Step 3: Cross multiply
305,239.44x = 457,936.96 × 94,879.20 - Step 4: Simplify right side
305,239.44x = 43,448,692,415.23 - Step 5: Solve for x
x = 43,448,692,415.23/305,239.44 - Step 6: Final answer
x = 142,342.98
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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.