Finding the Fourth Proportional to 235,775.96, 325,370.85 and 128,346.79
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Solution
The fourth proportional to 235,775.96, 325,370.85 and 128,346.79 is: 177,118.59
Step by Step Solution
- Step 1: Write the proportion equation
235,775.96 : 325,370.85 = 128,346.79 : x - Step 2: Convert to fraction form
235,775.96/325,370.85 = 128,346.79/x - Step 3: Cross multiply
235,775.96x = 325,370.85 × 128,346.79 - Step 4: Simplify right side
235,775.96x = 41,760,304,157.07 - Step 5: Solve for x
x = 41,760,304,157.07/235,775.96 - Step 6: Final answer
x = 177,118.59
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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.