Finding the Fourth Proportional to 170,119.36, 255,215.94 and 51,787.63
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Solution
The fourth proportional to 170,119.36, 255,215.94 and 51,787.63 is: 77,692.68
Step by Step Solution
- Step 1: Write the proportion equation
170,119.36 : 255,215.94 = 51,787.63 : x - Step 2: Convert to fraction form
170,119.36/255,215.94 = 51,787.63/x - Step 3: Cross multiply
170,119.36x = 255,215.94 × 51,787.63 - Step 4: Simplify right side
170,119.36x = 13,217,028,670.82 - Step 5: Solve for x
x = 13,217,028,670.82/170,119.36 - Step 6: Final answer
x = 77,692.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.