Finding the Fourth Proportional to 282,771.30, 424,153.21 and 69,541.05
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Solution
The fourth proportional to 282,771.30, 424,153.21 and 69,541.05 is: 104,310.66
Step by Step Solution
- Step 1: Write the proportion equation
282,771.30 : 424,153.21 = 69,541.05 : x - Step 2: Convert to fraction form
282,771.30/424,153.21 = 69,541.05/x - Step 3: Cross multiply
282,771.30x = 424,153.21 × 69,541.05 - Step 4: Simplify right side
282,771.30x = 29,496,059,584.27 - Step 5: Solve for x
x = 29,496,059,584.27/282,771.30 - Step 6: Final answer
x = 104,310.66
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1.5x scale
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.