Finding the Fourth Proportional to 91,469.23, 137,203.84 and 60,297.19
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Solution
The fourth proportional to 91,469.23, 137,203.84 and 60,297.19 is: 90,445.78
Step by Step Solution
- Step 1: Write the proportion equation
91,469.23 : 137,203.84 = 60,297.19 : x - Step 2: Convert to fraction form
91,469.23/137,203.84 = 60,297.19/x - Step 3: Cross multiply
91,469.23x = 137,203.84 × 60,297.19 - Step 4: Simplify right side
91,469.23x = 8,273,006,009.21 - Step 5: Solve for x
x = 8,273,006,009.21/91,469.23 - Step 6: Final answer
x = 90,445.78
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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.