Finding the Fourth Proportional to 178,926.40, 246,918.94 and 102,446.67
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Solution
The fourth proportional to 178,926.40, 246,918.94 and 102,446.67 is: 141,376.70
Step by Step Solution
- Step 1: Write the proportion equation
178,926.40 : 246,918.94 = 102,446.67 : x - Step 2: Convert to fraction form
178,926.40/246,918.94 = 102,446.67/x - Step 3: Cross multiply
178,926.40x = 246,918.94 × 102,446.67 - Step 4: Simplify right side
178,926.40x = 25,296,023,162.93 - Step 5: Solve for x
x = 25,296,023,162.93/178,926.40 - Step 6: Final answer
x = 141,376.70
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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.