Finding the Fourth Proportional to 259,782.94, 389,377.14 and 117,736.48
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Solution
The fourth proportional to 259,782.94, 389,377.14 and 117,736.48 is: 176,469.99
Step by Step Solution
- Step 1: Write the proportion equation
259,782.94 : 389,377.14 = 117,736.48 : x - Step 2: Convert to fraction form
259,782.94/389,377.14 = 117,736.48/x - Step 3: Cross multiply
259,782.94x = 389,377.14 × 117,736.48 - Step 4: Simplify right side
259,782.94x = 45,843,893,856.07 - Step 5: Solve for x
x = 45,843,893,856.07/259,782.94 - Step 6: Final answer
x = 176,469.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.