Finding the Fourth Proportional to 197,153.40, 295,781.97 and 102,389.88
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Solution
The fourth proportional to 197,153.40, 295,781.97 and 102,389.88 is: 153,611.76
Step by Step Solution
- Step 1: Write the proportion equation
197,153.40 : 295,781.97 = 102,389.88 : x - Step 2: Convert to fraction form
197,153.40/295,781.97 = 102,389.88/x - Step 3: Cross multiply
197,153.40x = 295,781.97 × 102,389.88 - Step 4: Simplify right side
197,153.40x = 30,285,080,414.46 - Step 5: Solve for x
x = 30,285,080,414.46/197,153.40 - Step 6: Final answer
x = 153,611.76
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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.