Finding the Fourth Proportional to 180,242.99, 248,739.58 and 99,672.09
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Solution
The fourth proportional to 180,242.99, 248,739.58 and 99,672.09 is: 137,549.84
Step by Step Solution
- Step 1: Write the proportion equation
180,242.99 : 248,739.58 = 99,672.09 : x - Step 2: Convert to fraction form
180,242.99/248,739.58 = 99,672.09/x - Step 3: Cross multiply
180,242.99x = 248,739.58 × 99,672.09 - Step 4: Simplify right side
180,242.99x = 24,792,393,804.32 - Step 5: Solve for x
x = 24,792,393,804.32/180,242.99 - Step 6: Final answer
x = 137,549.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.