Finding the Fourth Proportional to 235,764.60, 325,362.48 and 128,341.79
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Solution
The fourth proportional to 235,764.60, 325,362.48 and 128,341.79 is: 177,115.65
Step by Step Solution
- Step 1: Write the proportion equation
235,764.60 : 325,362.48 = 128,341.79 : x - Step 2: Convert to fraction form
235,764.60/325,362.48 = 128,341.79/x - Step 3: Cross multiply
235,764.60x = 325,362.48 × 128,341.79 - Step 4: Simplify right side
235,764.60x = 41,757,601,455.23 - Step 5: Solve for x
x = 41,757,601,455.23/235,764.60 - Step 6: Final answer
x = 177,115.65
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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.