Finding the Fourth Proportional to 284,490.10, 392,580.57 and 177,056.74
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Solution
The fourth proportional to 284,490.10, 392,580.57 and 177,056.74 is: 244,328.49
Step by Step Solution
- Step 1: Write the proportion equation
284,490.10 : 392,580.57 = 177,056.74 : x - Step 2: Convert to fraction form
284,490.10/392,580.57 = 177,056.74/x - Step 3: Cross multiply
284,490.10x = 392,580.57 × 177,056.74 - Step 4: Simplify right side
284,490.10x = 69,509,035,911.54 - Step 5: Solve for x
x = 69,509,035,911.54/284,490.10 - Step 6: Final answer
x = 244,328.49
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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.