Finding the Fourth Proportional to 355,696.80, 533,496.60 and 106,378.80
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Solution
The fourth proportional to 355,696.80, 533,496.60 and 106,378.80 is: 159,553.67
Step by Step Solution
- Step 1: Write the proportion equation
355,696.80 : 533,496.60 = 106,378.80 : x - Step 2: Convert to fraction form
355,696.80/533,496.60 = 106,378.80/x - Step 3: Cross multiply
355,696.80x = 533,496.60 × 106,378.80 - Step 4: Simplify right side
355,696.80x = 56,752,728,112.08 - Step 5: Solve for x
x = 56,752,728,112.08/355,696.80 - Step 6: Final answer
x = 159,553.67
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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.