Finding the Fourth Proportional to 284,830.36, 393,046.50 and 157,504.84
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Solution
The fourth proportional to 284,830.36, 393,046.50 and 157,504.84 is: 217,345.95
Step by Step Solution
- Step 1: Write the proportion equation
284,830.36 : 393,046.50 = 157,504.84 : x - Step 2: Convert to fraction form
284,830.36/393,046.50 = 157,504.84/x - Step 3: Cross multiply
284,830.36x = 393,046.50 × 157,504.84 - Step 4: Simplify right side
284,830.36x = 61,906,726,095.06 - Step 5: Solve for x
x = 61,906,726,095.06/284,830.36 - Step 6: Final answer
x = 217,345.95
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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.