Finding the Fourth Proportional to 387,246.28, 581,096.97 and 162,589.44
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Solution
The fourth proportional to 387,246.28, 581,096.97 and 162,589.44 is: 243,979.70
Step by Step Solution
- Step 1: Write the proportion equation
387,246.28 : 581,096.97 = 162,589.44 : x - Step 2: Convert to fraction form
387,246.28/581,096.97 = 162,589.44/x - Step 3: Cross multiply
387,246.28x = 581,096.97 × 162,589.44 - Step 4: Simplify right side
387,246.28x = 94,480,230,328.29 - Step 5: Solve for x
x = 94,480,230,328.29/387,246.28 - Step 6: Final answer
x = 243,979.70
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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.