Finding the Fourth Proportional to 147,230.40, 203,183.04 and 83,566.08
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Solution
The fourth proportional to 147,230.40, 203,183.04 and 83,566.08 is: 115,324.08
Step by Step Solution
- Step 1: Write the proportion equation
147,230.40 : 203,183.04 = 83,566.08 : x - Step 2: Convert to fraction form
147,230.40/203,183.04 = 83,566.08/x - Step 3: Cross multiply
147,230.40x = 203,183.04 × 83,566.08 - Step 4: Simplify right side
147,230.40x = 16,979,210,175.28 - Step 5: Solve for x
x = 16,979,210,175.28/147,230.40 - Step 6: Final answer
x = 115,324.08
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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.