Finding the Fourth Proportional to 146,434.44, 202,079.70 and 79,366.44
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Solution
The fourth proportional to 146,434.44, 202,079.70 and 79,366.44 is: 109,525.78
Step by Step Solution
- Step 1: Write the proportion equation
146,434.44 : 202,079.70 = 79,366.44 : x - Step 2: Convert to fraction form
146,434.44/202,079.70 = 79,366.44/x - Step 3: Cross multiply
146,434.44x = 202,079.70 × 79,366.44 - Step 4: Simplify right side
146,434.44x = 16,038,346,385.27 - Step 5: Solve for x
x = 16,038,346,385.27/146,434.44 - Step 6: Final answer
x = 109,525.78
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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.