Finding the Fourth Proportional to 513,472.92, 770,393.16 and 229,138.44
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Solution
The fourth proportional to 513,472.92, 770,393.16 and 229,138.44 is: 343,789.67
Step by Step Solution
- Step 1: Write the proportion equation
513,472.92 : 770,393.16 = 229,138.44 : x - Step 2: Convert to fraction form
513,472.92/770,393.16 = 229,138.44/x - Step 3: Cross multiply
513,472.92x = 770,393.16 × 229,138.44 - Step 4: Simplify right side
513,472.92x = 176,526,686,869.07 - Step 5: Solve for x
x = 176,526,686,869.07/513,472.92 - Step 6: Final answer
x = 343,789.67
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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.