Finding the Fourth Proportional to 579,057.06, 868,701.69 and 199,991.70
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Solution
The fourth proportional to 579,057.06, 868,701.69 and 199,991.70 is: 300,027.64
Step by Step Solution
- Step 1: Write the proportion equation
579,057.06 : 868,701.69 = 199,991.70 : x - Step 2: Convert to fraction form
579,057.06/868,701.69 = 199,991.70/x - Step 3: Cross multiply
579,057.06x = 868,701.69 × 199,991.70 - Step 4: Simplify right side
579,057.06x = 173,733,123,548.66 - Step 5: Solve for x
x = 173,733,123,548.66/579,057.06 - Step 6: Final answer
x = 300,027.64
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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.