Finding the Fourth Proportional to 643,053.48, 963,806.50 and 237,922.68
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Solution
The fourth proportional to 643,053.48, 963,806.50 and 237,922.68 is: 356,597.75
Step by Step Solution
- Step 1: Write the proportion equation
643,053.48 : 963,806.50 = 237,922.68 : x - Step 2: Convert to fraction form
643,053.48/963,806.50 = 237,922.68/x - Step 3: Cross multiply
643,053.48x = 963,806.50 × 237,922.68 - Step 4: Simplify right side
643,053.48x = 229,311,425,481.42 - Step 5: Solve for x
x = 229,311,425,481.42/643,053.48 - Step 6: Final answer
x = 356,597.75
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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.