Finding the Fourth Proportional to 236,118.08, 325,833.36 and 128,685.92
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Solution
The fourth proportional to 236,118.08, 325,833.36 and 128,685.92 is: 177,581.34
Step by Step Solution
- Step 1: Write the proportion equation
236,118.08 : 325,833.36 = 128,685.92 : x - Step 2: Convert to fraction form
236,118.08/325,833.36 = 128,685.92/x - Step 3: Cross multiply
236,118.08x = 325,833.36 × 128,685.92 - Step 4: Simplify right side
236,118.08x = 41,930,165,698.29 - Step 5: Solve for x
x = 41,930,165,698.29/236,118.08 - Step 6: Final answer
x = 177,581.34
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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.