Finding the Fourth Proportional to 124,991.44, 187,487.16 and 31,497.19
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Solution
The fourth proportional to 124,991.44, 187,487.16 and 31,497.19 is: 47,245.78
Step by Step Solution
- Step 1: Write the proportion equation
124,991.44 : 187,487.16 = 31,497.19 : x - Step 2: Convert to fraction form
124,991.44/187,487.16 = 31,497.19/x - Step 3: Cross multiply
124,991.44x = 187,487.16 × 31,497.19 - Step 4: Simplify right side
124,991.44x = 5,905,318,114.25 - Step 5: Solve for x
x = 5,905,318,114.25/124,991.44 - Step 6: Final answer
x = 47,245.78
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1.5x scale
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.