Finding the Fourth Proportional to 236,847.51, 326,845.67 and 129,415.23
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Solution
The fourth proportional to 236,847.51, 326,845.67 and 129,415.23 is: 178,590.89
Step by Step Solution
- Step 1: Write the proportion equation
236,847.51 : 326,845.67 = 129,415.23 : x - Step 2: Convert to fraction form
236,847.51/326,845.67 = 129,415.23/x - Step 3: Cross multiply
236,847.51x = 326,845.67 × 129,415.23 - Step 4: Simplify right side
236,847.51x = 42,298,806,910.48 - Step 5: Solve for x
x = 42,298,806,910.48/236,847.51 - Step 6: Final answer
x = 178,590.89
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1.5x scale
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.