Finding the Fourth Proportional to 170,542.98, 235,313.37 and 122,902.02
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Solution
The fourth proportional to 170,542.98, 235,313.37 and 122,902.02 is: 169,578.89
Step by Step Solution
- Step 1: Write the proportion equation
170,542.98 : 235,313.37 = 122,902.02 : x - Step 2: Convert to fraction form
170,542.98/235,313.37 = 122,902.02/x - Step 3: Cross multiply
170,542.98x = 235,313.37 × 122,902.02 - Step 4: Simplify right side
170,542.98x = 28,920,488,506.01 - Step 5: Solve for x
x = 28,920,488,506.01/170,542.98 - Step 6: Final answer
x = 169,578.89
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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.