Finding the Fourth Proportional to 236,048.02, 325,742.14 and 128,618.94
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Solution
The fourth proportional to 236,048.02, 325,742.14 and 128,618.94 is: 177,491.89
Step by Step Solution
- Step 1: Write the proportion equation
236,048.02 : 325,742.14 = 128,618.94 : x - Step 2: Convert to fraction form
236,048.02/325,742.14 = 128,618.94/x - Step 3: Cross multiply
236,048.02x = 325,742.14 × 128,618.94 - Step 4: Simplify right side
236,048.02x = 41,896,608,760.13 - Step 5: Solve for x
x = 41,896,608,760.13/236,048.02 - Step 6: Final answer
x = 177,491.89
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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.