Finding the Fourth Proportional to 292,343.96, 438,531.42 and 92,679.92
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Solution
The fourth proportional to 292,343.96, 438,531.42 and 92,679.92 is: 139,024.79
Step by Step Solution
- Step 1: Write the proportion equation
292,343.96 : 438,531.42 = 92,679.92 : x - Step 2: Convert to fraction form
292,343.96/438,531.42 = 92,679.92/x - Step 3: Cross multiply
292,343.96x = 438,531.42 × 92,679.92 - Step 4: Simplify right side
292,343.96x = 40,643,056,923.09 - Step 5: Solve for x
x = 40,643,056,923.09/292,343.96 - Step 6: Final answer
x = 139,024.79
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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.