Finding the Fourth Proportional to 312,167.44, 430,810.57 and 176,224.42
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Solution
The fourth proportional to 312,167.44, 430,810.57 and 176,224.42 is: 243,200.71
Step by Step Solution
- Step 1: Write the proportion equation
312,167.44 : 430,810.57 = 176,224.42 : x - Step 2: Convert to fraction form
312,167.44/430,810.57 = 176,224.42/x - Step 3: Cross multiply
312,167.44x = 430,810.57 × 176,224.42 - Step 4: Simplify right side
312,167.44x = 75,919,340,674.07 - Step 5: Solve for x
x = 75,919,340,674.07/312,167.44 - Step 6: Final answer
x = 243,200.71
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1.5x scale
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.