Finding the Fourth Proportional to 235,765.06, 325,359.93 and 128,338.18
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Solution
The fourth proportional to 235,765.06, 325,359.93 and 128,338.18 is: 177,108.95
Step by Step Solution
- Step 1: Write the proportion equation
235,765.06 : 325,359.93 = 128,338.18 : x - Step 2: Convert to fraction form
235,765.06/325,359.93 = 128,338.18/x - Step 3: Cross multiply
235,765.06x = 325,359.93 × 128,338.18 - Step 4: Simplify right side
235,765.06x = 41,756,101,261.13 - Step 5: Solve for x
x = 41,756,101,261.13/235,765.06 - Step 6: Final answer
x = 177,108.95
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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.