Finding the Fourth Proportional to 236,140.01, 325,873.41 and 128,707.88
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Solution
The fourth proportional to 236,140.01, 325,873.41 and 128,707.88 is: 177,616.99
Step by Step Solution
- Step 1: Write the proportion equation
236,140.01 : 325,873.41 = 128,707.88 : x - Step 2: Convert to fraction form
236,140.01/325,873.41 = 128,707.88/x - Step 3: Cross multiply
236,140.01x = 325,873.41 × 128,707.88 - Step 4: Simplify right side
236,140.01x = 41,942,475,749.47 - Step 5: Solve for x
x = 41,942,475,749.47/236,140.01 - Step 6: Final answer
x = 177,616.99
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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.