Finding the Fourth Proportional to 234,075.12, 323,028.36 and 138,546.96
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Solution
The fourth proportional to 234,075.12, 323,028.36 and 138,546.96 is: 191,197.58
Step by Step Solution
- Step 1: Write the proportion equation
234,075.12 : 323,028.36 = 138,546.96 : x - Step 2: Convert to fraction form
234,075.12/323,028.36 = 138,546.96/x - Step 3: Cross multiply
234,075.12x = 323,028.36 × 138,546.96 - Step 4: Simplify right side
234,075.12x = 44,754,597,271.79 - Step 5: Solve for x
x = 44,754,597,271.79/234,075.12 - Step 6: Final answer
x = 191,197.58
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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.