Finding the Fourth Proportional to 186,297.21, 257,088.87 and 101,414.07
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Solution
The fourth proportional to 186,297.21, 257,088.87 and 101,414.07 is: 139,950.72
Step by Step Solution
- Step 1: Write the proportion equation
186,297.21 : 257,088.87 = 101,414.07 : x - Step 2: Convert to fraction form
186,297.21/257,088.87 = 101,414.07/x - Step 3: Cross multiply
186,297.21x = 257,088.87 × 101,414.07 - Step 4: Simplify right side
186,297.21x = 26,072,428,658.40 - Step 5: Solve for x
x = 26,072,428,658.40/186,297.21 - Step 6: Final answer
x = 139,950.72
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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.