Finding the Fourth Proportional to 178,493.61, 246,336.74 and 97,936.88
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Solution
The fourth proportional to 178,493.61, 246,336.74 and 97,936.88 is: 135,161.43
Step by Step Solution
- Step 1: Write the proportion equation
178,493.61 : 246,336.74 = 97,936.88 : x - Step 2: Convert to fraction form
178,493.61/246,336.74 = 97,936.88/x - Step 3: Cross multiply
178,493.61x = 246,336.74 × 97,936.88 - Step 4: Simplify right side
178,493.61x = 24,125,451,314.63 - Step 5: Solve for x
x = 24,125,451,314.63/178,493.61 - Step 6: Final answer
x = 135,161.43
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1.5x scale
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.