Finding the Fourth Proportional to 203,740.99, 305,542.28 and 70,590.17
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Solution
The fourth proportional to 203,740.99, 305,542.28 and 70,590.17 is: 105,861.28
Step by Step Solution
- Step 1: Write the proportion equation
203,740.99 : 305,542.28 = 70,590.17 : x - Step 2: Convert to fraction form
203,740.99/305,542.28 = 70,590.17/x - Step 3: Cross multiply
203,740.99x = 305,542.28 × 70,590.17 - Step 4: Simplify right side
203,740.99x = 21,568,282,030.65 - Step 5: Solve for x
x = 21,568,282,030.65/203,740.99 - Step 6: Final answer
x = 105,861.28
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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.