Finding the Fourth Proportional to 147,646.26, 203,750.64 and 80,578.26
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Solution
The fourth proportional to 147,646.26, 203,750.64 and 80,578.26 is: 111,197.34
Step by Step Solution
- Step 1: Write the proportion equation
147,646.26 : 203,750.64 = 80,578.26 : x - Step 2: Convert to fraction form
147,646.26/203,750.64 = 80,578.26/x - Step 3: Cross multiply
147,646.26x = 203,750.64 × 80,578.26 - Step 4: Simplify right side
147,646.26x = 16,417,872,045.09 - Step 5: Solve for x
x = 16,417,872,045.09/147,646.26 - Step 6: Final answer
x = 111,197.34
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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.