Finding the Fourth Proportional to 221,750.10, 332,625.15 and 81,479.70
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Solution
The fourth proportional to 221,750.10, 332,625.15 and 81,479.70 is: 122,219.55
Step by Step Solution
- Step 1: Write the proportion equation
221,750.10 : 332,625.15 = 81,479.70 : x - Step 2: Convert to fraction form
221,750.10/332,625.15 = 81,479.70/x - Step 3: Cross multiply
221,750.10x = 332,625.15 × 81,479.70 - Step 4: Simplify right side
221,750.10x = 27,102,197,434.46 - Step 5: Solve for x
x = 27,102,197,434.46/221,750.10 - Step 6: Final answer
x = 122,219.55
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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.