Finding the Fourth Proportional to 312,160.56, 430,967.16 and 204,918.18
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Solution
The fourth proportional to 312,160.56, 430,967.16 and 204,918.18 is: 282,908.92
Step by Step Solution
- Step 1: Write the proportion equation
312,160.56 : 430,967.16 = 204,918.18 : x - Step 2: Convert to fraction form
312,160.56/430,967.16 = 204,918.18/x - Step 3: Cross multiply
312,160.56x = 430,967.16 × 204,918.18 - Step 4: Simplify right side
312,160.56x = 88,313,006,066.97 - Step 5: Solve for x
x = 88,313,006,066.97/312,160.56 - Step 6: Final answer
x = 282,908.92
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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.