Finding the Fourth Proportional to 438,841.80, 657,733.50 and 201,859.56
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Solution
The fourth proportional to 438,841.80, 657,733.50 and 201,859.56 is: 302,545.92
Step by Step Solution
- Step 1: Write the proportion equation
438,841.80 : 657,733.50 = 201,859.56 : x - Step 2: Convert to fraction form
438,841.80/657,733.50 = 201,859.56/x - Step 3: Cross multiply
438,841.80x = 657,733.50 × 201,859.56 - Step 4: Simplify right side
438,841.80x = 132,769,794,907.26 - Step 5: Solve for x
x = 132,769,794,907.26/438,841.80 - Step 6: Final answer
x = 302,545.92
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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.