Finding the Fourth Proportional to 178,961.54, 246,967.08 and 98,390.43
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Solution
The fourth proportional to 178,961.54, 246,967.08 and 98,390.43 is: 135,778.88
Step by Step Solution
- Step 1: Write the proportion equation
178,961.54 : 246,967.08 = 98,390.43 : x - Step 2: Convert to fraction form
178,961.54/246,967.08 = 98,390.43/x - Step 3: Cross multiply
178,961.54x = 246,967.08 × 98,390.43 - Step 4: Simplify right side
178,961.54x = 24,299,196,828.08 - Step 5: Solve for x
x = 24,299,196,828.08/178,961.54 - Step 6: Final answer
x = 135,778.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.