Finding the Fourth Proportional to 178,540.80, 246,378.05 and 97,966.32
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Solution
The fourth proportional to 178,540.80, 246,378.05 and 97,966.32 is: 135,188.99
Step by Step Solution
- Step 1: Write the proportion equation
178,540.80 : 246,378.05 = 97,966.32 : x - Step 2: Convert to fraction form
178,540.80/246,378.05 = 97,966.32/x - Step 3: Cross multiply
178,540.80x = 246,378.05 × 97,966.32 - Step 4: Simplify right side
178,540.80x = 24,136,750,397.44 - Step 5: Solve for x
x = 24,136,750,397.44/178,540.80 - Step 6: Final answer
x = 135,188.99
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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.