Finding the Fourth Proportional to 402,396.70, 603,676.05 and 118,086.70
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Solution
The fourth proportional to 402,396.70, 603,676.05 and 118,086.70 is: 177,153.82
Step by Step Solution
- Step 1: Write the proportion equation
402,396.70 : 603,676.05 = 118,086.70 : x - Step 2: Convert to fraction form
402,396.70/603,676.05 = 118,086.70/x - Step 3: Cross multiply
402,396.70x = 603,676.05 × 118,086.70 - Step 4: Simplify right side
402,396.70x = 71,286,112,613.54 - Step 5: Solve for x
x = 71,286,112,613.54/402,396.70 - Step 6: Final answer
x = 177,153.82
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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.