Finding the Fourth Proportional to 284,052.68, 392,134.73 and 176,657.31
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Solution
The fourth proportional to 284,052.68, 392,134.73 and 176,657.31 is: 243,875.42
Step by Step Solution
- Step 1: Write the proportion equation
284,052.68 : 392,134.73 = 176,657.31 : x - Step 2: Convert to fraction form
284,052.68/392,134.73 = 176,657.31/x - Step 3: Cross multiply
284,052.68x = 392,134.73 × 176,657.31 - Step 4: Simplify right side
284,052.68x = 69,273,465,676.09 - Step 5: Solve for x
x = 69,273,465,676.09/284,052.68 - Step 6: Final answer
x = 243,875.42
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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.