Finding the Fourth Proportional to 199,146.11, 274,923.19 and 134,954.47
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Solution
The fourth proportional to 199,146.11, 274,923.19 and 134,954.47 is: 186,305.99
Step by Step Solution
- Step 1: Write the proportion equation
199,146.11 : 274,923.19 = 134,954.47 : x - Step 2: Convert to fraction form
199,146.11/274,923.19 = 134,954.47/x - Step 3: Cross multiply
199,146.11x = 274,923.19 × 134,954.47 - Step 4: Simplify right side
199,146.11x = 37,102,113,397.16 - Step 5: Solve for x
x = 37,102,113,397.16/199,146.11 - Step 6: Final answer
x = 186,305.99
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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.