Finding the Fourth Proportional to 336,516.36, 504,869.93 and 136,979.94
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Solution
The fourth proportional to 336,516.36, 504,869.93 and 136,979.94 is: 205,508.75
Step by Step Solution
- Step 1: Write the proportion equation
336,516.36 : 504,869.93 = 136,979.94 : x - Step 2: Convert to fraction form
336,516.36/504,869.93 = 136,979.94/x - Step 3: Cross multiply
336,516.36x = 504,869.93 × 136,979.94 - Step 4: Simplify right side
336,516.36x = 69,157,054,441.24 - Step 5: Solve for x
x = 69,157,054,441.24/336,516.36 - Step 6: Final answer
x = 205,508.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.