Finding the Fourth Proportional to 192,434.40, 265,557.42 and 106,399.44
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Solution
The fourth proportional to 192,434.40, 265,557.42 and 106,399.44 is: 146,830.09
Step by Step Solution
- Step 1: Write the proportion equation
192,434.40 : 265,557.42 = 106,399.44 : x - Step 2: Convert to fraction form
192,434.40/265,557.42 = 106,399.44/x - Step 3: Cross multiply
192,434.40x = 265,557.42 × 106,399.44 - Step 4: Simplify right side
192,434.40x = 28,255,160,775.84 - Step 5: Solve for x
x = 28,255,160,775.84/192,434.40 - Step 6: Final answer
x = 146,830.09
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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.