Finding the Fourth Proportional to 270,781.60, 373,692.42 and 149,936.23
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Solution
The fourth proportional to 270,781.60, 373,692.42 and 149,936.23 is: 206,919.65
Step by Step Solution
- Step 1: Write the proportion equation
270,781.60 : 373,692.42 = 149,936.23 : x - Step 2: Convert to fraction form
270,781.60/373,692.42 = 149,936.23/x - Step 3: Cross multiply
270,781.60x = 373,692.42 × 149,936.23 - Step 4: Simplify right side
270,781.60x = 56,030,032,634.38 - Step 5: Solve for x
x = 56,030,032,634.38/270,781.60 - Step 6: Final answer
x = 206,919.65
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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.