Finding the Fourth Proportional to 236,107.56, 325,828.68 and 128,677.68
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Solution
The fourth proportional to 236,107.56, 325,828.68 and 128,677.68 is: 177,575.33
Step by Step Solution
- Step 1: Write the proportion equation
236,107.56 : 325,828.68 = 128,677.68 : x - Step 2: Convert to fraction form
236,107.56/325,828.68 = 128,677.68/x - Step 3: Cross multiply
236,107.56x = 325,828.68 × 128,677.68 - Step 4: Simplify right side
236,107.56x = 41,926,878,619.86 - Step 5: Solve for x
x = 41,926,878,619.86/236,107.56 - Step 6: Final answer
x = 177,575.33
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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.