Finding the Fourth Proportional to 124,258.87, 187,297.36 and 113,609.53
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Solution
The fourth proportional to 124,258.87, 187,297.36 and 113,609.53 is: 171,245.44
Step by Step Solution
- Step 1: Write the proportion equation
124,258.87 : 187,297.36 = 113,609.53 : x - Step 2: Convert to fraction form
124,258.87/187,297.36 = 113,609.53/x - Step 3: Cross multiply
124,258.87x = 187,297.36 × 113,609.53 - Step 4: Simplify right side
124,258.87x = 21,278,765,039.84 - Step 5: Solve for x
x = 21,278,765,039.84/124,258.87 - Step 6: Final answer
x = 171,245.44
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.