Finding the Fourth Proportional to 282,148.42, 423,236.47 and 113,645.99
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Solution
The fourth proportional to 282,148.42, 423,236.47 and 113,645.99 is: 170,474.56
Step by Step Solution
- Step 1: Write the proportion equation
282,148.42 : 423,236.47 = 113,645.99 : x - Step 2: Convert to fraction form
282,148.42/423,236.47 = 113,645.99/x - Step 3: Cross multiply
282,148.42x = 423,236.47 × 113,645.99 - Step 4: Simplify right side
282,148.42x = 48,099,127,811.16 - Step 5: Solve for x
x = 48,099,127,811.16/282,148.42 - Step 6: Final answer
x = 170,474.56
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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.