Finding the Fourth Proportional to 539,634.49, 809,310.72 and 160,453.14
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Solution
The fourth proportional to 539,634.49, 809,310.72 and 160,453.14 is: 240,637.78
Step by Step Solution
- Step 1: Write the proportion equation
539,634.49 : 809,310.72 = 160,453.14 : x - Step 2: Convert to fraction form
539,634.49/809,310.72 = 160,453.14/x - Step 3: Cross multiply
539,634.49x = 809,310.72 × 160,453.14 - Step 4: Simplify right side
539,634.49x = 129,856,446,259.66 - Step 5: Solve for x
x = 129,856,446,259.66/539,634.49 - Step 6: Final answer
x = 240,637.78
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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.