Finding the Fourth Proportional to 539,644.23, 809,195.24 and 179,687.84
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Solution
The fourth proportional to 539,644.23, 809,195.24 and 179,687.84 is: 269,441.49
Step by Step Solution
- Step 1: Write the proportion equation
539,644.23 : 809,195.24 = 179,687.84 : x - Step 2: Convert to fraction form
539,644.23/809,195.24 = 179,687.84/x - Step 3: Cross multiply
539,644.23x = 809,195.24 × 179,687.84 - Step 4: Simplify right side
539,644.23x = 145,402,544,813.88 - Step 5: Solve for x
x = 145,402,544,813.88/539,644.23 - Step 6: Final answer
x = 269,441.49
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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.