Finding the Fourth Proportional to 178,638.58, 267,607.53 and 103,601.08
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Solution
The fourth proportional to 178,638.58, 267,607.53 and 103,601.08 is: 155,198.44
Step by Step Solution
- Step 1: Write the proportion equation
178,638.58 : 267,607.53 = 103,601.08 : x - Step 2: Convert to fraction form
178,638.58/267,607.53 = 103,601.08/x - Step 3: Cross multiply
178,638.58x = 267,607.53 × 103,601.08 - Step 4: Simplify right side
178,638.58x = 27,724,429,124.13 - Step 5: Solve for x
x = 27,724,429,124.13/178,638.58 - Step 6: Final answer
x = 155,198.44
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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.