Finding the Fourth Proportional to 252,002.04, 347,763.42 and 138,826.68
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Solution
The fourth proportional to 252,002.04, 347,763.42 and 138,826.68 is: 191,581.15
Step by Step Solution
- Step 1: Write the proportion equation
252,002.04 : 347,763.42 = 138,826.68 : x - Step 2: Convert to fraction form
252,002.04/347,763.42 = 138,826.68/x - Step 3: Cross multiply
252,002.04x = 347,763.42 × 138,826.68 - Step 4: Simplify right side
252,002.04x = 48,278,841,024.05 - Step 5: Solve for x
x = 48,278,841,024.05/252,002.04 - Step 6: Final answer
x = 191,581.15
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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.