Finding the Fourth Proportional to 513,596.18, 769,976.70 and 214,299.69
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Solution
The fourth proportional to 513,596.18, 769,976.70 and 214,299.69 is: 321,275.31
Step by Step Solution
- Step 1: Write the proportion equation
513,596.18 : 769,976.70 = 214,299.69 : x - Step 2: Convert to fraction form
513,596.18/769,976.70 = 214,299.69/x - Step 3: Cross multiply
513,596.18x = 769,976.70 × 214,299.69 - Step 4: Simplify right side
513,596.18x = 165,005,768,117.22 - Step 5: Solve for x
x = 165,005,768,117.22/513,596.18 - Step 6: Final answer
x = 321,275.31
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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.