Finding the Fourth Proportional to 226,918.64, 313,126.08 and 124,942.88
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Solution
The fourth proportional to 226,918.64, 313,126.08 and 124,942.88 is: 172,409.26
Step by Step Solution
- Step 1: Write the proportion equation
226,918.64 : 313,126.08 = 124,942.88 : x - Step 2: Convert to fraction form
226,918.64/313,126.08 = 124,942.88/x - Step 3: Cross multiply
226,918.64x = 313,126.08 × 124,942.88 - Step 4: Simplify right side
226,918.64x = 39,122,874,238.31 - Step 5: Solve for x
x = 39,122,874,238.31/226,918.64 - Step 6: Final answer
x = 172,409.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.