Finding the Fourth Proportional to 275,027.20, 412,613.70 and 97,515.70
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Solution
The fourth proportional to 275,027.20, 412,613.70 and 97,515.70 is: 146,299.40
Step by Step Solution
- Step 1: Write the proportion equation
275,027.20 : 412,613.70 = 97,515.70 : x - Step 2: Convert to fraction form
275,027.20/412,613.70 = 97,515.70/x - Step 3: Cross multiply
275,027.20x = 412,613.70 × 97,515.70 - Step 4: Simplify right side
275,027.20x = 40,236,313,785.09 - Step 5: Solve for x
x = 40,236,313,785.09/275,027.20 - Step 6: Final answer
x = 146,299.40
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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.