Finding the Fourth Proportional to 610,175.70, 915,253.74 and 189,451.98
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Solution
The fourth proportional to 610,175.70, 915,253.74 and 189,451.98 is: 284,174.92
Step by Step Solution
- Step 1: Write the proportion equation
610,175.70 : 915,253.74 = 189,451.98 : x - Step 2: Convert to fraction form
610,175.70/915,253.74 = 189,451.98/x - Step 3: Cross multiply
610,175.70x = 915,253.74 × 189,451.98 - Step 4: Simplify right side
610,175.70x = 173,396,633,245.41 - Step 5: Solve for x
x = 173,396,633,245.41/610,175.70 - Step 6: Final answer
x = 284,174.92
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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.