Finding the Fourth Proportional to 252,171.27, 378,312.26 and 74,692.17
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Solution
The fourth proportional to 252,171.27, 378,312.26 and 74,692.17 is: 112,054.65
Step by Step Solution
- Step 1: Write the proportion equation
252,171.27 : 378,312.26 = 74,692.17 : x - Step 2: Convert to fraction form
252,171.27/378,312.26 = 74,692.17/x - Step 3: Cross multiply
252,171.27x = 378,312.26 × 74,692.17 - Step 4: Simplify right side
252,171.27x = 28,256,963,263.54 - Step 5: Solve for x
x = 28,256,963,263.54/252,171.27 - Step 6: Final answer
x = 112,054.65
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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.