Finding the Fourth Proportional to 271,855.80, 375,163.56 and 158,656.68
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Solution
The fourth proportional to 271,855.80, 375,163.56 and 158,656.68 is: 218,947.71
Step by Step Solution
- Step 1: Write the proportion equation
271,855.80 : 375,163.56 = 158,656.68 : x - Step 2: Convert to fraction form
271,855.80/375,163.56 = 158,656.68/x - Step 3: Cross multiply
271,855.80x = 375,163.56 × 158,656.68 - Step 4: Simplify right side
271,855.80x = 59,522,204,886.58 - Step 5: Solve for x
x = 59,522,204,886.58/271,855.80 - Step 6: Final answer
x = 218,947.71
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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.