Finding the Fourth Proportional to 178,416.90, 246,218.70 and 97,839.62
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Solution
The fourth proportional to 178,416.90, 246,218.70 and 97,839.62 is: 135,020.53
Step by Step Solution
- Step 1: Write the proportion equation
178,416.90 : 246,218.70 = 97,839.62 : x - Step 2: Convert to fraction form
178,416.90/246,218.70 = 97,839.62/x - Step 3: Cross multiply
178,416.90x = 246,218.70 × 97,839.62 - Step 4: Simplify right side
178,416.90x = 24,089,944,044.89 - Step 5: Solve for x
x = 24,089,944,044.89/178,416.90 - Step 6: Final answer
x = 135,020.53
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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.