Finding the Fourth Proportional to 261,369.18, 360,634.48 and 170,857.76
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Solution
The fourth proportional to 261,369.18, 360,634.48 and 170,857.76 is: 235,747.75
Step by Step Solution
- Step 1: Write the proportion equation
261,369.18 : 360,634.48 = 170,857.76 : x - Step 2: Convert to fraction form
261,369.18/360,634.48 = 170,857.76/x - Step 3: Cross multiply
261,369.18x = 360,634.48 × 170,857.76 - Step 4: Simplify right side
261,369.18x = 61,617,197,201.25 - Step 5: Solve for x
x = 61,617,197,201.25/261,369.18 - Step 6: Final answer
x = 235,747.75
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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.