Finding the Fourth Proportional to 252,197.19, 348,034.46 and 139,023.99
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Solution
The fourth proportional to 252,197.19, 348,034.46 and 139,023.99 is: 191,854.39
Step by Step Solution
- Step 1: Write the proportion equation
252,197.19 : 348,034.46 = 139,023.99 : x - Step 2: Convert to fraction form
252,197.19/348,034.46 = 139,023.99/x - Step 3: Cross multiply
252,197.19x = 348,034.46 × 139,023.99 - Step 4: Simplify right side
252,197.19x = 48,385,138,591.58 - Step 5: Solve for x
x = 48,385,138,591.58/252,197.19 - Step 6: Final answer
x = 191,854.39
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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.