Finding the Fourth Proportional to 252,675.14, 348,692.18 and 137,953.78
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Solution
The fourth proportional to 252,675.14, 348,692.18 and 137,953.78 is: 190,376.48
Step by Step Solution
- Step 1: Write the proportion equation
252,675.14 : 348,692.18 = 137,953.78 : x - Step 2: Convert to fraction form
252,675.14/348,692.18 = 137,953.78/x - Step 3: Cross multiply
252,675.14x = 348,692.18 × 137,953.78 - Step 4: Simplify right side
252,675.14x = 48,103,404,287.44 - Step 5: Solve for x
x = 48,103,404,287.44/252,675.14 - Step 6: Final answer
x = 190,376.48
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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.