Finding the Fourth Proportional to 178,414.10, 246,210.81 and 97,839.62
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Solution
The fourth proportional to 178,414.10, 246,210.81 and 97,839.62 is: 135,018.32
Step by Step Solution
- Step 1: Write the proportion equation
178,414.10 : 246,210.81 = 97,839.62 : x - Step 2: Convert to fraction form
178,414.10/246,210.81 = 97,839.62/x - Step 3: Cross multiply
178,414.10x = 246,210.81 × 97,839.62 - Step 4: Simplify right side
178,414.10x = 24,089,172,090.29 - Step 5: Solve for x
x = 24,089,172,090.29/178,414.10 - Step 6: Final answer
x = 135,018.32
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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.