Finding the Fourth Proportional to 212,092.31, 292,692.99 and 115,302.68
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Solution
The fourth proportional to 212,092.31, 292,692.99 and 115,302.68 is: 159,120.74
Step by Step Solution
- Step 1: Write the proportion equation
212,092.31 : 292,692.99 = 115,302.68 : x - Step 2: Convert to fraction form
212,092.31/292,692.99 = 115,302.68/x - Step 3: Cross multiply
212,092.31x = 292,692.99 × 115,302.68 - Step 4: Simplify right side
212,092.31x = 33,748,286,164.21 - Step 5: Solve for x
x = 33,748,286,164.21/212,092.31 - Step 6: Final answer
x = 159,120.74
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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.