Finding the Fourth Proportional to 285,050.09, 393,342.33 and 192,982.09
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Solution
The fourth proportional to 285,050.09, 393,342.33 and 192,982.09 is: 266,297.14
Step by Step Solution
- Step 1: Write the proportion equation
285,050.09 : 393,342.33 = 192,982.09 : x - Step 2: Convert to fraction form
285,050.09/393,342.33 = 192,982.09/x - Step 3: Cross multiply
285,050.09x = 393,342.33 × 192,982.09 - Step 4: Simplify right side
285,050.09x = 75,908,024,021.27 - Step 5: Solve for x
x = 75,908,024,021.27/285,050.09 - Step 6: Final answer
x = 266,297.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.