Finding the Fourth Proportional to 235,746.51, 325,338.18 and 128,320.44
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Solution
The fourth proportional to 235,746.51, 325,338.18 and 128,320.44 is: 177,086.56
Step by Step Solution
- Step 1: Write the proportion equation
235,746.51 : 325,338.18 = 128,320.44 : x - Step 2: Convert to fraction form
235,746.51/325,338.18 = 128,320.44/x - Step 3: Cross multiply
235,746.51x = 325,338.18 × 128,320.44 - Step 4: Simplify right side
235,746.51x = 41,747,538,406.40 - Step 5: Solve for x
x = 41,747,538,406.40/235,746.51 - Step 6: Final answer
x = 177,086.56
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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.