Finding the Fourth Proportional to 259,284.48, 357,841.50 and 163,786.56
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Solution
The fourth proportional to 259,284.48, 357,841.50 and 163,786.56 is: 226,043.72
Step by Step Solution
- Step 1: Write the proportion equation
259,284.48 : 357,841.50 = 163,786.56 : x - Step 2: Convert to fraction form
259,284.48/357,841.50 = 163,786.56/x - Step 3: Cross multiply
259,284.48x = 357,841.50 × 163,786.56 - Step 4: Simplify right side
259,284.48x = 58,609,628,310.24 - Step 5: Solve for x
x = 58,609,628,310.24/259,284.48 - Step 6: Final answer
x = 226,043.72
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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.