Finding the Fourth Proportional to 147,225.26, 203,176.96 and 83,568.98
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Solution
The fourth proportional to 147,225.26, 203,176.96 and 83,568.98 is: 115,328.65
Step by Step Solution
- Step 1: Write the proportion equation
147,225.26 : 203,176.96 = 83,568.98 : x - Step 2: Convert to fraction form
147,225.26/203,176.96 = 83,568.98/x - Step 3: Cross multiply
147,225.26x = 203,176.96 × 83,568.98 - Step 4: Simplify right side
147,225.26x = 16,979,290,081.89 - Step 5: Solve for x
x = 16,979,290,081.89/147,225.26 - Step 6: Final answer
x = 115,328.65
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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.