Finding the Fourth Proportional to 391,686.44, 540,692.62 and 264,534.26
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Solution
The fourth proportional to 391,686.44, 540,692.62 and 264,534.26 is: 365,168.94
Step by Step Solution
- Step 1: Write the proportion equation
391,686.44 : 540,692.62 = 264,534.26 : x - Step 2: Convert to fraction form
391,686.44/540,692.62 = 264,534.26/x - Step 3: Cross multiply
391,686.44x = 540,692.62 × 264,534.26 - Step 4: Simplify right side
391,686.44x = 143,031,718,754.36 - Step 5: Solve for x
x = 143,031,718,754.36/391,686.44 - Step 6: Final answer
x = 365,168.94
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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.