Finding the Fourth Proportional to 513,227.75, 769,972.84 and 213,608.75
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Solution
The fourth proportional to 513,227.75, 769,972.84 and 213,608.75 is: 320,467.73
Step by Step Solution
- Step 1: Write the proportion equation
513,227.75 : 769,972.84 = 213,608.75 : x - Step 2: Convert to fraction form
513,227.75/769,972.84 = 213,608.75/x - Step 3: Cross multiply
513,227.75x = 769,972.84 × 213,608.75 - Step 4: Simplify right side
513,227.75x = 164,472,931,502.46 - Step 5: Solve for x
x = 164,472,931,502.46/513,227.75 - Step 6: Final answer
x = 320,467.73
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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.