Finding the Fourth Proportional to 252,494.42, 379,246.05 and 157,892.90
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Solution
The fourth proportional to 252,494.42, 379,246.05 and 157,892.90 is: 237,154.78
Step by Step Solution
- Step 1: Write the proportion equation
252,494.42 : 379,246.05 = 157,892.90 : x - Step 2: Convert to fraction form
252,494.42/379,246.05 = 157,892.90/x - Step 3: Cross multiply
252,494.42x = 379,246.05 × 157,892.90 - Step 4: Simplify right side
252,494.42x = 59,880,258,648.05 - Step 5: Solve for x
x = 59,880,258,648.05/252,494.42 - Step 6: Final answer
x = 237,154.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.