Finding the Fourth Proportional to 157,726.26, 217,662.03 and 101,137.50
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Solution
The fourth proportional to 157,726.26, 217,662.03 and 101,137.50 is: 139,569.62
Step by Step Solution
- Step 1: Write the proportion equation
157,726.26 : 217,662.03 = 101,137.50 : x - Step 2: Convert to fraction form
157,726.26/217,662.03 = 101,137.50/x - Step 3: Cross multiply
157,726.26x = 217,662.03 × 101,137.50 - Step 4: Simplify right side
157,726.26x = 22,013,793,559.13 - Step 5: Solve for x
x = 22,013,793,559.13/157,726.26 - Step 6: Final answer
x = 139,569.62
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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.