Finding the Fourth Proportional to 492,795.70, 738,646.80 and 193,176.70
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Solution
The fourth proportional to 492,795.70, 738,646.80 and 193,176.70 is: 289,550.72
Step by Step Solution
- Step 1: Write the proportion equation
492,795.70 : 738,646.80 = 193,176.70 : x - Step 2: Convert to fraction form
492,795.70/738,646.80 = 193,176.70/x - Step 3: Cross multiply
492,795.70x = 738,646.80 × 193,176.70 - Step 4: Simplify right side
492,795.70x = 142,689,351,289.56 - Step 5: Solve for x
x = 142,689,351,289.56/492,795.70 - Step 6: Final answer
x = 289,550.72
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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.