Finding the Fourth Proportional to 236,650.18, 326,578.83 and 129,220.96
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Solution
The fourth proportional to 236,650.18, 326,578.83 and 129,220.96 is: 178,325.79
Step by Step Solution
- Step 1: Write the proportion equation
236,650.18 : 326,578.83 = 129,220.96 : x - Step 2: Convert to fraction form
236,650.18/326,578.83 = 129,220.96/x - Step 3: Cross multiply
236,650.18x = 326,578.83 × 129,220.96 - Step 4: Simplify right side
236,650.18x = 42,200,829,928.28 - Step 5: Solve for x
x = 42,200,829,928.28/236,650.18 - Step 6: Final answer
x = 178,325.79
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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.