Finding the Fourth Proportional to 291,640.75, 402,464.24 and 157,504.75
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Solution
The fourth proportional to 291,640.75, 402,464.24 and 157,504.75 is: 217,356.56
Step by Step Solution
- Step 1: Write the proportion equation
291,640.75 : 402,464.24 = 157,504.75 : x - Step 2: Convert to fraction form
291,640.75/402,464.24 = 157,504.75/x - Step 3: Cross multiply
291,640.75x = 402,464.24 × 157,504.75 - Step 4: Simplify right side
291,640.75x = 63,390,028,717.62 - Step 5: Solve for x
x = 63,390,028,717.62/291,640.75 - Step 6: Final answer
x = 217,356.56
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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.