Finding the Fourth Proportional to 178,475.74, 267,542.93 and 66,125.79
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Solution
The fourth proportional to 178,475.74, 267,542.93 and 66,125.79 is: 99,125.45
Step by Step Solution
- Step 1: Write the proportion equation
178,475.74 : 267,542.93 = 66,125.79 : x - Step 2: Convert to fraction form
178,475.74/267,542.93 = 66,125.79/x - Step 3: Cross multiply
178,475.74x = 267,542.93 × 66,125.79 - Step 4: Simplify right side
178,475.74x = 17,691,487,770.48 - Step 5: Solve for x
x = 17,691,487,770.48/178,475.74 - Step 6: Final answer
x = 99,125.45
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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.