Finding the Fourth Proportional to 450,036.18, 621,082.51 and 268,755.75
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Solution
The fourth proportional to 450,036.18, 621,082.51 and 268,755.75 is: 370,902.39
Step by Step Solution
- Step 1: Write the proportion equation
450,036.18 : 621,082.51 = 268,755.75 : x - Step 2: Convert to fraction form
450,036.18/621,082.51 = 268,755.75/x - Step 3: Cross multiply
450,036.18x = 621,082.51 × 268,755.75 - Step 4: Simplify right side
450,036.18x = 166,919,494,570.17 - Step 5: Solve for x
x = 166,919,494,570.17/450,036.18 - Step 6: Final answer
x = 370,902.39
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1.5x scale
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.