Finding the Fourth Proportional to 318,104.09, 438,972.50 and 174,863.10
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Solution
The fourth proportional to 318,104.09, 438,972.50 and 174,863.10 is: 241,304.95
Step by Step Solution
- Step 1: Write the proportion equation
318,104.09 : 438,972.50 = 174,863.10 : x - Step 2: Convert to fraction form
318,104.09/438,972.50 = 174,863.10/x - Step 3: Cross multiply
318,104.09x = 438,972.50 × 174,863.10 - Step 4: Simplify right side
318,104.09x = 76,760,091,290.43 - Step 5: Solve for x
x = 76,760,091,290.43/318,104.09 - Step 6: Final answer
x = 241,304.95
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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.