Finding the Fourth Proportional to 657,515.70, 986,273.55 and 303,221.70
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Solution
The fourth proportional to 657,515.70, 986,273.55 and 303,221.70 is: 454,832.55
Step by Step Solution
- Step 1: Write the proportion equation
657,515.70 : 986,273.55 = 303,221.70 : x - Step 2: Convert to fraction form
657,515.70/986,273.55 = 303,221.70/x - Step 3: Cross multiply
657,515.70x = 986,273.55 × 303,221.70 - Step 4: Simplify right side
657,515.70x = 299,059,542,496.04 - Step 5: Solve for x
x = 299,059,542,496.04/657,515.70 - Step 6: Final answer
x = 454,832.55
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Similar ratio
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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.