Finding the Fourth Proportional to 186,329.40, 257,135.58 and 101,447.08
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Solution
The fourth proportional to 186,329.40, 257,135.58 and 101,447.08 is: 139,997.52
Step by Step Solution
- Step 1: Write the proportion equation
186,329.40 : 257,135.58 = 101,447.08 : x - Step 2: Convert to fraction form
186,329.40/257,135.58 = 101,447.08/x - Step 3: Cross multiply
186,329.40x = 257,135.58 × 101,447.08 - Step 4: Simplify right side
186,329.40x = 26,085,653,755.11 - Step 5: Solve for x
x = 26,085,653,755.11/186,329.40 - Step 6: Final answer
x = 139,997.52
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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.