Finding the Fourth Proportional to 284,641.68, 426,076.74 and 179,239.20
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Solution
The fourth proportional to 284,641.68, 426,076.74 and 179,239.20 is: 268,301.02
Step by Step Solution
- Step 1: Write the proportion equation
284,641.68 : 426,076.74 = 179,239.20 : x - Step 2: Convert to fraction form
284,641.68/426,076.74 = 179,239.20/x - Step 3: Cross multiply
284,641.68x = 426,076.74 × 179,239.20 - Step 4: Simplify right side
284,641.68x = 76,369,654,016.21 - Step 5: Solve for x
x = 76,369,654,016.21/284,641.68 - Step 6: Final answer
x = 268,301.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.