Finding the Fourth Proportional to 198,605.16, 274,006.26 and 127,027.08
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Solution
The fourth proportional to 198,605.16, 274,006.26 and 127,027.08 is: 175,253.33
Step by Step Solution
- Step 1: Write the proportion equation
198,605.16 : 274,006.26 = 127,027.08 : x - Step 2: Convert to fraction form
198,605.16/274,006.26 = 127,027.08/x - Step 3: Cross multiply
198,605.16x = 274,006.26 × 127,027.08 - Step 4: Simplify right side
198,605.16x = 34,806,215,109.52 - Step 5: Solve for x
x = 34,806,215,109.52/198,605.16 - Step 6: Final answer
x = 175,253.33
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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.