Finding the Fourth Proportional to 292,395.42, 438,608.79 and 92,730.96
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Solution
The fourth proportional to 292,395.42, 438,608.79 and 92,730.96 is: 139,101.41
Step by Step Solution
- Step 1: Write the proportion equation
292,395.42 : 438,608.79 = 92,730.96 : x - Step 2: Convert to fraction form
292,395.42/438,608.79 = 92,730.96/x - Step 3: Cross multiply
292,395.42x = 438,608.79 × 92,730.96 - Step 4: Simplify right side
292,395.42x = 40,672,614,161.14 - Step 5: Solve for x
x = 40,672,614,161.14/292,395.42 - Step 6: Final answer
x = 139,101.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.