Finding the Fourth Proportional to 235,777.99, 325,373.65 and 128,348.82
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Solution
The fourth proportional to 235,777.99, 325,373.65 and 128,348.82 is: 177,121.38
Step by Step Solution
- Step 1: Write the proportion equation
235,777.99 : 325,373.65 = 128,348.82 : x - Step 2: Convert to fraction form
235,777.99/325,373.65 = 128,348.82/x - Step 3: Cross multiply
235,777.99x = 325,373.65 × 128,348.82 - Step 4: Simplify right side
235,777.99x = 41,761,324,036.59 - Step 5: Solve for x
x = 41,761,324,036.59/235,777.99 - Step 6: Final answer
x = 177,121.38
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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.