Finding the Fourth Proportional to 199,570.36, 275,354.49 and 113,530.12
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Solution
The fourth proportional to 199,570.36, 275,354.49 and 113,530.12 is: 156,641.64
Step by Step Solution
- Step 1: Write the proportion equation
199,570.36 : 275,354.49 = 113,530.12 : x - Step 2: Convert to fraction form
199,570.36/275,354.49 = 113,530.12/x - Step 3: Cross multiply
199,570.36x = 275,354.49 × 113,530.12 - Step 4: Simplify right side
199,570.36x = 31,261,028,292.24 - Step 5: Solve for x
x = 31,261,028,292.24/199,570.36 - Step 6: Final answer
x = 156,641.64
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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.