Finding the Fourth Proportional to 403,496.40, 605,919.36 and 252,045.96
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Solution
The fourth proportional to 403,496.40, 605,919.36 and 252,045.96 is: 378,490.43
Step by Step Solution
- Step 1: Write the proportion equation
403,496.40 : 605,919.36 = 252,045.96 : x - Step 2: Convert to fraction form
403,496.40/605,919.36 = 252,045.96/x - Step 3: Cross multiply
403,496.40x = 605,919.36 × 252,045.96 - Step 4: Simplify right side
403,496.40x = 152,719,526,773.79 - Step 5: Solve for x
x = 152,719,526,773.79/403,496.40 - Step 6: Final answer
x = 378,490.43
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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.