Finding the Fourth Proportional to 252,035.01, 347,808.11 and 138,857.76
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Solution
The fourth proportional to 252,035.01, 347,808.11 and 138,857.76 is: 191,623.59
Step by Step Solution
- Step 1: Write the proportion equation
252,035.01 : 347,808.11 = 138,857.76 : x - Step 2: Convert to fraction form
252,035.01/347,808.11 = 138,857.76/x - Step 3: Cross multiply
252,035.01x = 347,808.11 × 138,857.76 - Step 4: Simplify right side
252,035.01x = 48,295,854,370.14 - Step 5: Solve for x
x = 48,295,854,370.14/252,035.01 - Step 6: Final answer
x = 191,623.59
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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.