Finding the Fourth Proportional to 157,692.80, 236,455.97 and 68,842.28
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Solution
The fourth proportional to 157,692.80, 236,455.97 and 68,842.28 is: 103,227.09
Step by Step Solution
- Step 1: Write the proportion equation
157,692.80 : 236,455.97 = 68,842.28 : x - Step 2: Convert to fraction form
157,692.80/236,455.97 = 68,842.28/x - Step 3: Cross multiply
157,692.80x = 236,455.97 × 68,842.28 - Step 4: Simplify right side
157,692.80x = 16,278,168,094.41 - Step 5: Solve for x
x = 16,278,168,094.41/157,692.80 - Step 6: Final answer
x = 103,227.09
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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.