Finding the Fourth Proportional to 252,883.13, 377,479.93 and 220,960.36
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Solution
The fourth proportional to 252,883.13, 377,479.93 and 220,960.36 is: 329,828.65
Step by Step Solution
- Step 1: Write the proportion equation
252,883.13 : 377,479.93 = 220,960.36 : x - Step 2: Convert to fraction form
252,883.13/377,479.93 = 220,960.36/x - Step 3: Cross multiply
252,883.13x = 377,479.93 × 220,960.36 - Step 4: Simplify right side
252,883.13x = 83,408,102,756.91 - Step 5: Solve for x
x = 83,408,102,756.91/252,883.13 - Step 6: Final answer
x = 329,828.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.