Finding the Fourth Proportional to 292,079.70, 438,292.35 and 192,527.70
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Solution
The fourth proportional to 292,079.70, 438,292.35 and 192,527.70 is: 288,905.45
Step by Step Solution
- Step 1: Write the proportion equation
292,079.70 : 438,292.35 = 192,527.70 : x - Step 2: Convert to fraction form
292,079.70/438,292.35 = 192,527.70/x - Step 3: Cross multiply
292,079.70x = 438,292.35 × 192,527.70 - Step 4: Simplify right side
292,079.70x = 84,383,418,073.10 - Step 5: Solve for x
x = 84,383,418,073.10/292,079.70 - Step 6: Final answer
x = 288,905.45
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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.