Finding the Fourth Proportional to 282,912.21, 424,373.58 and 226,490.31
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Solution
The fourth proportional to 282,912.21, 424,373.58 and 226,490.31 is: 339,739.68
Step by Step Solution
- Step 1: Write the proportion equation
282,912.21 : 424,373.58 = 226,490.31 : x - Step 2: Convert to fraction form
282,912.21/424,373.58 = 226,490.31/x - Step 3: Cross multiply
282,912.21x = 424,373.58 × 226,490.31 - Step 4: Simplify right side
282,912.21x = 96,116,503,690.01 - Step 5: Solve for x
x = 96,116,503,690.01/282,912.21 - Step 6: Final answer
x = 339,739.68
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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.