Finding the Fourth Proportional to 178,543.05, 246,381.15 and 97,968.57
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Solution
The fourth proportional to 178,543.05, 246,381.15 and 97,968.57 is: 135,192.09
Step by Step Solution
- Step 1: Write the proportion equation
178,543.05 : 246,381.15 = 97,968.57 : x - Step 2: Convert to fraction form
178,543.05/246,381.15 = 97,968.57/x - Step 3: Cross multiply
178,543.05x = 246,381.15 × 97,968.57 - Step 4: Simplify right side
178,543.05x = 24,137,608,940.46 - Step 5: Solve for x
x = 24,137,608,940.46/178,543.05 - Step 6: Final answer
x = 135,192.09
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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.