Finding the Fourth Proportional to 521,859.18, 782,542.05 and 202,160.79
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Solution
The fourth proportional to 521,859.18, 782,542.05 and 202,160.79 is: 303,145.60
Step by Step Solution
- Step 1: Write the proportion equation
521,859.18 : 782,542.05 = 202,160.79 : x - Step 2: Convert to fraction form
521,859.18/782,542.05 = 202,160.79/x - Step 3: Cross multiply
521,859.18x = 782,542.05 × 202,160.79 - Step 4: Simplify right side
521,859.18x = 158,199,314,112.71 - Step 5: Solve for x
x = 158,199,314,112.71/521,859.18 - Step 6: Final answer
x = 303,145.60
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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.