Finding the Fourth Proportional to 289,874.40, 435,027.60 and 149,560.80
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Solution
The fourth proportional to 289,874.40, 435,027.60 and 149,560.80 is: 224,452.65
Step by Step Solution
- Step 1: Write the proportion equation
289,874.40 : 435,027.60 = 149,560.80 : x - Step 2: Convert to fraction form
289,874.40/435,027.60 = 149,560.80/x - Step 3: Cross multiply
289,874.40x = 435,027.60 × 149,560.80 - Step 4: Simplify right side
289,874.40x = 65,063,075,878.08 - Step 5: Solve for x
x = 65,063,075,878.08/289,874.40 - Step 6: Final answer
x = 224,452.65
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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.