Finding the Fourth Proportional to 361,743.39, 542,692.84 and 121,881.13
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Solution
The fourth proportional to 361,743.39, 542,692.84 and 121,881.13 is: 182,847.89
Step by Step Solution
- Step 1: Write the proportion equation
361,743.39 : 542,692.84 = 121,881.13 : x - Step 2: Convert to fraction form
361,743.39/542,692.84 = 121,881.13/x - Step 3: Cross multiply
361,743.39x = 542,692.84 × 121,881.13 - Step 4: Simplify right side
361,743.39x = 66,144,016,582.11 - Step 5: Solve for x
x = 66,144,016,582.11/361,743.39 - Step 6: Final answer
x = 182,847.89
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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.