Finding the Fourth Proportional to 284,372.89, 392,510.23 and 176,881.84
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Solution
The fourth proportional to 284,372.89, 392,510.23 and 176,881.84 is: 244,143.99
Step by Step Solution
- Step 1: Write the proportion equation
284,372.89 : 392,510.23 = 176,881.84 : x - Step 2: Convert to fraction form
284,372.89/392,510.23 = 176,881.84/x - Step 3: Cross multiply
284,372.89x = 392,510.23 × 176,881.84 - Step 4: Simplify right side
284,372.89x = 69,427,932,983.09 - Step 5: Solve for x
x = 69,427,932,983.09/284,372.89 - Step 6: Final answer
x = 244,143.99
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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.