Finding the Fourth Proportional to 86,544.60, 129,838.50 and 24,214.56
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Solution
The fourth proportional to 86,544.60, 129,838.50 and 24,214.56 is: 36,327.88
Step by Step Solution
- Step 1: Write the proportion equation
86,544.60 : 129,838.50 = 24,214.56 : x - Step 2: Convert to fraction form
86,544.60/129,838.50 = 24,214.56/x - Step 3: Cross multiply
86,544.60x = 129,838.50 × 24,214.56 - Step 4: Simplify right side
86,544.60x = 3,143,982,148.56 - Step 5: Solve for x
x = 3,143,982,148.56/86,544.60 - Step 6: Final answer
x = 36,327.88
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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.