Finding the Fourth Proportional to 154,927.97, 213,745.76 and 101,244.10
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Solution
The fourth proportional to 154,927.97, 213,745.76 and 101,244.10 is: 139,681.02
Step by Step Solution
- Step 1: Write the proportion equation
154,927.97 : 213,745.76 = 101,244.10 : x - Step 2: Convert to fraction form
154,927.97/213,745.76 = 101,244.10/x - Step 3: Cross multiply
154,927.97x = 213,745.76 × 101,244.10 - Step 4: Simplify right side
154,927.97x = 21,640,497,100.02 - Step 5: Solve for x
x = 21,640,497,100.02/154,927.97 - Step 6: Final answer
x = 139,681.02
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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.