Finding the Fourth Proportional to 248,879.80, 343,453.26 and 135,702.58
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Solution
The fourth proportional to 248,879.80, 343,453.26 and 135,702.58 is: 187,269.09
Step by Step Solution
- Step 1: Write the proportion equation
248,879.80 : 343,453.26 = 135,702.58 : x - Step 2: Convert to fraction form
248,879.80/343,453.26 = 135,702.58/x - Step 3: Cross multiply
248,879.80x = 343,453.26 × 135,702.58 - Step 4: Simplify right side
248,879.80x = 46,607,493,491.41 - Step 5: Solve for x
x = 46,607,493,491.41/248,879.80 - Step 6: Final answer
x = 187,269.09
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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.