Finding the Fourth Proportional to 221,088.57, 305,073.69 and 125,576.82
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Solution
The fourth proportional to 221,088.57, 305,073.69 and 125,576.82 is: 173,279.80
Step by Step Solution
- Step 1: Write the proportion equation
221,088.57 : 305,073.69 = 125,576.82 : x - Step 2: Convert to fraction form
221,088.57/305,073.69 = 125,576.82/x - Step 3: Cross multiply
221,088.57x = 305,073.69 × 125,576.82 - Step 4: Simplify right side
221,088.57x = 38,310,183,855.87 - Step 5: Solve for x
x = 38,310,183,855.87/221,088.57 - Step 6: Final answer
x = 173,279.80
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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.