Finding the Fourth Proportional to 283,782.54, 391,629.36 and 169,045.52
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Solution
The fourth proportional to 283,782.54, 391,629.36 and 169,045.52 is: 233,288.45
Step by Step Solution
- Step 1: Write the proportion equation
283,782.54 : 391,629.36 = 169,045.52 : x - Step 2: Convert to fraction form
283,782.54/391,629.36 = 169,045.52/x - Step 3: Cross multiply
283,782.54x = 391,629.36 × 169,045.52 - Step 4: Simplify right side
283,782.54x = 66,203,187,963.24 - Step 5: Solve for x
x = 66,203,187,963.24/283,782.54 - Step 6: Final answer
x = 233,288.45
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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.