Finding the Fourth Proportional to 252,842.41, 348,933.14 and 145,412.53
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Solution
The fourth proportional to 252,842.41, 348,933.14 and 145,412.53 is: 200,675.40
Step by Step Solution
- Step 1: Write the proportion equation
252,842.41 : 348,933.14 = 145,412.53 : x - Step 2: Convert to fraction form
252,842.41/348,933.14 = 145,412.53/x - Step 3: Cross multiply
252,842.41x = 348,933.14 × 145,412.53 - Step 4: Simplify right side
252,842.41x = 50,739,250,688.24 - Step 5: Solve for x
x = 50,739,250,688.24/252,842.41 - Step 6: Final answer
x = 200,675.40
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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.