Finding the Fourth Proportional to 252,556.80, 348,526.08 and 139,381.44
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Solution
The fourth proportional to 252,556.80, 348,526.08 and 139,381.44 is: 192,345.12
Step by Step Solution
- Step 1: Write the proportion equation
252,556.80 : 348,526.08 = 139,381.44 : x - Step 2: Convert to fraction form
252,556.80/348,526.08 = 139,381.44/x - Step 3: Cross multiply
252,556.80x = 348,526.08 × 139,381.44 - Step 4: Simplify right side
252,556.80x = 48,578,066,907.96 - Step 5: Solve for x
x = 48,578,066,907.96/252,556.80 - Step 6: Final answer
x = 192,345.12
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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.