Finding the Fourth Proportional to 252,119.05, 347,919.64 and 137,398.62
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Solution
The fourth proportional to 252,119.05, 347,919.64 and 137,398.62 is: 189,607.56
Step by Step Solution
- Step 1: Write the proportion equation
252,119.05 : 347,919.64 = 137,398.62 : x - Step 2: Convert to fraction form
252,119.05/347,919.64 = 137,398.62/x - Step 3: Cross multiply
252,119.05x = 347,919.64 × 137,398.62 - Step 4: Simplify right side
252,119.05x = 47,803,678,406.90 - Step 5: Solve for x
x = 47,803,678,406.90/252,119.05 - Step 6: Final answer
x = 189,607.56
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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.