Finding the Fourth Proportional to 318,062.50, 438,915.11 and 174,821.63
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Solution
The fourth proportional to 318,062.50, 438,915.11 and 174,821.63 is: 241,247.72
Step by Step Solution
- Step 1: Write the proportion equation
318,062.50 : 438,915.11 = 174,821.63 : x - Step 2: Convert to fraction form
318,062.50/438,915.11 = 174,821.63/x - Step 3: Cross multiply
318,062.50x = 438,915.11 × 174,821.63 - Step 4: Simplify right side
318,062.50x = 76,731,851,893.15 - Step 5: Solve for x
x = 76,731,851,893.15/318,062.50 - Step 6: Final answer
x = 241,247.72
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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.