Finding the Fourth Proportional to 284,604.99, 392,755.26 and 157,280.61
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Solution
The fourth proportional to 284,604.99, 392,755.26 and 157,280.61 is: 217,047.45
Step by Step Solution
- Step 1: Write the proportion equation
284,604.99 : 392,755.26 = 157,280.61 : x - Step 2: Convert to fraction form
284,604.99/392,755.26 = 157,280.61/x - Step 3: Cross multiply
284,604.99x = 392,755.26 × 157,280.61 - Step 4: Simplify right side
284,604.99x = 61,772,786,873.51 - Step 5: Solve for x
x = 61,772,786,873.51/284,604.99 - Step 6: Final answer
x = 217,047.45
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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.