Finding the Fourth Proportional to 252,932.68, 349,032.18 and 138,188.53
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Solution
The fourth proportional to 252,932.68, 349,032.18 and 138,188.53 is: 190,692.02
Step by Step Solution
- Step 1: Write the proportion equation
252,932.68 : 349,032.18 = 138,188.53 : x - Step 2: Convert to fraction form
252,932.68/349,032.18 = 138,188.53/x - Step 3: Cross multiply
252,932.68x = 349,032.18 × 138,188.53 - Step 4: Simplify right side
252,932.68x = 48,232,243,876.90 - Step 5: Solve for x
x = 48,232,243,876.90/252,932.68 - Step 6: Final answer
x = 190,692.02
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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.