Finding the Fourth Proportional to 178,562.61, 267,893.73 and 145,593.99
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Solution
The fourth proportional to 178,562.61, 267,893.73 and 145,593.99 is: 218,431.60
Step by Step Solution
- Step 1: Write the proportion equation
178,562.61 : 267,893.73 = 145,593.99 : x - Step 2: Convert to fraction form
178,562.61/267,893.73 = 145,593.99/x - Step 3: Cross multiply
178,562.61x = 267,893.73 × 145,593.99 - Step 4: Simplify right side
178,562.61x = 39,003,717,046.68 - Step 5: Solve for x
x = 39,003,717,046.68/178,562.61 - Step 6: Final answer
x = 218,431.60
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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.