Finding the Fourth Proportional to 560,199.09, 773,140.10 and 318,517.88
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Solution
The fourth proportional to 560,199.09, 773,140.10 and 318,517.88 is: 439,591.82
Step by Step Solution
- Step 1: Write the proportion equation
560,199.09 : 773,140.10 = 318,517.88 : x - Step 2: Convert to fraction form
560,199.09/773,140.10 = 318,517.88/x - Step 3: Cross multiply
560,199.09x = 773,140.10 × 318,517.88 - Step 4: Simplify right side
560,199.09x = 246,258,940,136.70 - Step 5: Solve for x
x = 246,258,940,136.70/560,199.09 - Step 6: Final answer
x = 439,591.82
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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.