Finding the Fourth Proportional to 547,545.93, 755,605.34 and 305,832.03
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Solution
The fourth proportional to 547,545.93, 755,605.34 and 305,832.03 is: 422,043.70
Step by Step Solution
- Step 1: Write the proportion equation
547,545.93 : 755,605.34 = 305,832.03 : x - Step 2: Convert to fraction form
547,545.93/755,605.34 = 305,832.03/x - Step 3: Cross multiply
547,545.93x = 755,605.34 × 305,832.03 - Step 4: Simplify right side
547,545.93x = 231,088,309,703.85 - Step 5: Solve for x
x = 231,088,309,703.85/547,545.93 - Step 6: Final answer
x = 422,043.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.