Finding the Fourth Proportional to 236,029.76, 325,724.78 and 128,599.75
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Solution
The fourth proportional to 236,029.76, 325,724.78 and 128,599.75 is: 177,469.68
Step by Step Solution
- Step 1: Write the proportion equation
236,029.76 : 325,724.78 = 128,599.75 : x - Step 2: Convert to fraction form
236,029.76/325,724.78 = 128,599.75/x - Step 3: Cross multiply
236,029.76x = 325,724.78 × 128,599.75 - Step 4: Simplify right side
236,029.76x = 41,888,125,276.81 - Step 5: Solve for x
x = 41,888,125,276.81/236,029.76 - Step 6: Final answer
x = 177,469.68
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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.