Finding the Fourth Proportional to 235,455.24, 324,924.84 and 128,022.24
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Solution
The fourth proportional to 235,455.24, 324,924.84 and 128,022.24 is: 176,668.85
Step by Step Solution
- Step 1: Write the proportion equation
235,455.24 : 324,924.84 = 128,022.24 : x - Step 2: Convert to fraction form
235,455.24/324,924.84 = 128,022.24/x - Step 3: Cross multiply
235,455.24x = 324,924.84 × 128,022.24 - Step 4: Simplify right side
235,455.24x = 41,597,605,848.44 - Step 5: Solve for x
x = 41,597,605,848.44/235,455.24 - Step 6: Final answer
x = 176,668.85
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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.