Finding the Fourth Proportional to 178,961.94, 268,486.74 and 89,047.08
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Solution
The fourth proportional to 178,961.94, 268,486.74 and 89,047.08 is: 133,592.43
Step by Step Solution
- Step 1: Write the proportion equation
178,961.94 : 268,486.74 = 89,047.08 : x - Step 2: Convert to fraction form
178,961.94/268,486.74 = 89,047.08/x - Step 3: Cross multiply
178,961.94x = 268,486.74 × 89,047.08 - Step 4: Simplify right side
178,961.94x = 23,907,960,215.72 - Step 5: Solve for x
x = 23,907,960,215.72/178,961.94 - Step 6: Final answer
x = 133,592.43
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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.