Finding the Fourth Proportional to 388,232.68, 582,348.84 and 107,749.84
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Solution
The fourth proportional to 388,232.68, 582,348.84 and 107,749.84 is: 161,624.71
Step by Step Solution
- Step 1: Write the proportion equation
388,232.68 : 582,348.84 = 107,749.84 : x - Step 2: Convert to fraction form
388,232.68/582,348.84 = 107,749.84/x - Step 3: Cross multiply
388,232.68x = 582,348.84 × 107,749.84 - Step 4: Simplify right side
388,232.68x = 62,747,994,334.19 - Step 5: Solve for x
x = 62,747,994,334.19/388,232.68 - Step 6: Final answer
x = 161,624.71
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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.