Finding the Fourth Proportional to 193,095.36, 266,479.20 and 108,211.68
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Solution
The fourth proportional to 193,095.36, 266,479.20 and 108,211.68 is: 149,336.38
Step by Step Solution
- Step 1: Write the proportion equation
193,095.36 : 266,479.20 = 108,211.68 : x - Step 2: Convert to fraction form
193,095.36/266,479.20 = 108,211.68/x - Step 3: Cross multiply
193,095.36x = 266,479.20 × 108,211.68 - Step 4: Simplify right side
193,095.36x = 28,836,161,917.06 - Step 5: Solve for x
x = 28,836,161,917.06/193,095.36 - Step 6: Final answer
x = 149,336.38
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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.