Finding the Fourth Proportional to 170,542.97, 235,371.11 and 141,813.21
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Solution
The fourth proportional to 170,542.97, 235,371.11 and 141,813.21 is: 195,720.37
Step by Step Solution
- Step 1: Write the proportion equation
170,542.97 : 235,371.11 = 141,813.21 : x - Step 2: Convert to fraction form
170,542.97/235,371.11 = 141,813.21/x - Step 3: Cross multiply
170,542.97x = 235,371.11 × 141,813.21 - Step 4: Simplify right side
170,542.97x = 33,378,732,650.36 - Step 5: Solve for x
x = 33,378,732,650.36/170,542.97 - Step 6: Final answer
x = 195,720.37
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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.