Finding the Fourth Proportional to 208,955.10, 313,479.93 and 68,714.94
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Solution
The fourth proportional to 208,955.10, 313,479.93 and 68,714.94 is: 103,087.96
Step by Step Solution
- Step 1: Write the proportion equation
208,955.10 : 313,479.93 = 68,714.94 : x - Step 2: Convert to fraction form
208,955.10/313,479.93 = 68,714.94/x - Step 3: Cross multiply
208,955.10x = 313,479.93 × 68,714.94 - Step 4: Simplify right side
208,955.10x = 21,540,754,581.15 - Step 5: Solve for x
x = 21,540,754,581.15/208,955.10 - Step 6: Final answer
x = 103,087.96
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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.