Finding the Fourth Proportional to 319,545.68, 477,446.67 and 308,370.44
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Solution
The fourth proportional to 319,545.68, 477,446.67 and 308,370.44 is: 460,749.28
Step by Step Solution
- Step 1: Write the proportion equation
319,545.68 : 477,446.67 = 308,370.44 : x - Step 2: Convert to fraction form
319,545.68/477,446.67 = 308,370.44/x - Step 3: Cross multiply
319,545.68x = 477,446.67 × 308,370.44 - Step 4: Simplify right side
319,545.68x = 147,230,440,898.05 - Step 5: Solve for x
x = 147,230,440,898.05/319,545.68 - Step 6: Final answer
x = 460,749.28
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.