Finding the Fourth Proportional to 235,749.54, 325,341.66 and 128,326.80
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Solution
The fourth proportional to 235,749.54, 325,341.66 and 128,326.80 is: 177,094.95
Step by Step Solution
- Step 1: Write the proportion equation
235,749.54 : 325,341.66 = 128,326.80 : x - Step 2: Convert to fraction form
235,749.54/325,341.66 = 128,326.80/x - Step 3: Cross multiply
235,749.54x = 325,341.66 × 128,326.80 - Step 4: Simplify right side
235,749.54x = 41,750,054,134.49 - Step 5: Solve for x
x = 41,750,054,134.49/235,749.54 - Step 6: Final answer
x = 177,094.95
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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.