Finding the Fourth Proportional to 124,279.44, 186,418.26 and 74,373.36
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Solution
The fourth proportional to 124,279.44, 186,418.26 and 74,373.36 is: 111,559.50
Step by Step Solution
- Step 1: Write the proportion equation
124,279.44 : 186,418.26 = 74,373.36 : x - Step 2: Convert to fraction form
124,279.44/186,418.26 = 74,373.36/x - Step 3: Cross multiply
124,279.44x = 186,418.26 × 74,373.36 - Step 4: Simplify right side
124,279.44x = 13,864,552,361.55 - Step 5: Solve for x
x = 13,864,552,361.55/124,279.44 - Step 6: Final answer
x = 111,559.50
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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.