Finding the Fourth Proportional to 252,819.32, 348,884.57 and 145,386.99
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Solution
The fourth proportional to 252,819.32, 348,884.57 and 145,386.99 is: 200,630.54
Step by Step Solution
- Step 1: Write the proportion equation
252,819.32 : 348,884.57 = 145,386.99 : x - Step 2: Convert to fraction form
252,819.32/348,884.57 = 145,386.99/x - Step 3: Cross multiply
252,819.32x = 348,884.57 × 145,386.99 - Step 4: Simplify right side
252,819.32x = 50,723,276,762.81 - Step 5: Solve for x
x = 50,723,276,762.81/252,819.32 - Step 6: Final answer
x = 200,630.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.