Finding the Fourth Proportional to 790,335.16, 1,185,460.92 and 221,755.84
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Solution
The fourth proportional to 790,335.16, 1,185,460.92 and 221,755.84 is: 332,622.03
Step by Step Solution
- Step 1: Write the proportion equation
790,335.16 : 1,185,460.92 = 221,755.84 : x - Step 2: Convert to fraction form
790,335.16/1,185,460.92 = 221,755.84/x - Step 3: Cross multiply
790,335.16x = 1,185,460.92 × 221,755.84 - Step 4: Simplify right side
790,335.16x = 262,882,882,101.77 - Step 5: Solve for x
x = 262,882,882,101.77/790,335.16 - Step 6: Final answer
x = 332,622.03
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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.