Finding the Fourth Proportional to 292,306.78, 438,472.50 and 92,622.75
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Solution
The fourth proportional to 292,306.78, 438,472.50 and 92,622.75 is: 138,938.03
Step by Step Solution
- Step 1: Write the proportion equation
292,306.78 : 438,472.50 = 92,622.75 : x - Step 2: Convert to fraction form
292,306.78/438,472.50 = 92,622.75/x - Step 3: Cross multiply
292,306.78x = 438,472.50 × 92,622.75 - Step 4: Simplify right side
292,306.78x = 40,612,528,749.38 - Step 5: Solve for x
x = 40,612,528,749.38/292,306.78 - Step 6: Final answer
x = 138,938.03
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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.