Finding the Fourth Proportional to 178,041.11, 267,060.84 and 72,860.09
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Solution
The fourth proportional to 178,041.11, 267,060.84 and 72,860.09 is: 109,289.80
Step by Step Solution
- Step 1: Write the proportion equation
178,041.11 : 267,060.84 = 72,860.09 : x - Step 2: Convert to fraction form
178,041.11/267,060.84 = 72,860.09/x - Step 3: Cross multiply
178,041.11x = 267,060.84 × 72,860.09 - Step 4: Simplify right side
178,041.11x = 19,458,076,837.88 - Step 5: Solve for x
x = 19,458,076,837.88/178,041.11 - Step 6: Final answer
x = 109,289.80
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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.