Finding the Fourth Proportional to 284,873.25, 393,091.05 and 157,531.53
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Solution
The fourth proportional to 284,873.25, 393,091.05 and 157,531.53 is: 217,374.69
Step by Step Solution
- Step 1: Write the proportion equation
284,873.25 : 393,091.05 = 157,531.53 : x - Step 2: Convert to fraction form
284,873.25/393,091.05 = 157,531.53/x - Step 3: Cross multiply
284,873.25x = 393,091.05 × 157,531.53 - Step 4: Simplify right side
284,873.25x = 61,924,234,535.81 - Step 5: Solve for x
x = 61,924,234,535.81/284,873.25 - Step 6: Final answer
x = 217,374.69
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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.