Finding the Fourth Proportional to 657,152.22, 985,764.21 and 207,839.55
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Solution
The fourth proportional to 657,152.22, 985,764.21 and 207,839.55 is: 311,770.67
Step by Step Solution
- Step 1: Write the proportion equation
657,152.22 : 985,764.21 = 207,839.55 : x - Step 2: Convert to fraction form
657,152.22/985,764.21 = 207,839.55/x - Step 3: Cross multiply
657,152.22x = 985,764.21 × 207,839.55 - Step 4: Simplify right side
657,152.22x = 204,880,788,773.31 - Step 5: Solve for x
x = 204,880,788,773.31/657,152.22 - Step 6: Final answer
x = 311,770.67
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1.5x scale
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.