Finding the Fourth Proportional to 297,478.36, 410,441.34 and 170,129.08
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Solution
The fourth proportional to 297,478.36, 410,441.34 and 170,129.08 is: 234,733.07
Step by Step Solution
- Step 1: Write the proportion equation
297,478.36 : 410,441.34 = 170,129.08 : x - Step 2: Convert to fraction form
297,478.36/410,441.34 = 170,129.08/x - Step 3: Cross multiply
297,478.36x = 410,441.34 × 170,129.08 - Step 4: Simplify right side
297,478.36x = 69,828,007,568.17 - Step 5: Solve for x
x = 69,828,007,568.17/297,478.36 - Step 6: Final answer
x = 234,733.07
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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.