Finding the Fourth Proportional to 521,677.47, 782,628.43 and 161,841.09
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Solution
The fourth proportional to 521,677.47, 782,628.43 and 161,841.09 is: 242,796.45
Step by Step Solution
- Step 1: Write the proportion equation
521,677.47 : 782,628.43 = 161,841.09 : x - Step 2: Convert to fraction form
521,677.47/782,628.43 = 161,841.09/x - Step 3: Cross multiply
521,677.47x = 782,628.43 × 161,841.09 - Step 4: Simplify right side
521,677.47x = 126,661,437,771.59 - Step 5: Solve for x
x = 126,661,437,771.59/521,677.47 - Step 6: Final answer
x = 242,796.45
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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.