Finding the Fourth Proportional to 643,533.20, 965,553.74 and 244,279.95
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Solution
The fourth proportional to 643,533.20, 965,553.74 and 244,279.95 is: 366,516.32
Step by Step Solution
- Step 1: Write the proportion equation
643,533.20 : 965,553.74 = 244,279.95 : x - Step 2: Convert to fraction form
643,533.20/965,553.74 = 244,279.95/x - Step 3: Cross multiply
643,533.20x = 965,553.74 × 244,279.95 - Step 4: Simplify right side
643,533.20x = 235,865,419,329.51 - Step 5: Solve for x
x = 235,865,419,329.51/643,533.20 - Step 6: Final answer
x = 366,516.32
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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.