Finding the Fourth Proportional to 282,056.88, 422,687.53 and 155,753.99
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Solution
The fourth proportional to 282,056.88, 422,687.53 and 155,753.99 is: 233,411.32
Step by Step Solution
- Step 1: Write the proportion equation
282,056.88 : 422,687.53 = 155,753.99 : x - Step 2: Convert to fraction form
282,056.88/422,687.53 = 155,753.99/x - Step 3: Cross multiply
282,056.88x = 422,687.53 × 155,753.99 - Step 4: Simplify right side
282,056.88x = 65,835,269,320.74 - Step 5: Solve for x
x = 65,835,269,320.74/282,056.88 - Step 6: Final answer
x = 233,411.32
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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.