Finding the Fourth Proportional to 236,158.96, 325,895.16 and 128,729.92
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Solution
The fourth proportional to 236,158.96, 325,895.16 and 128,729.92 is: 177,645.00
Step by Step Solution
- Step 1: Write the proportion equation
236,158.96 : 325,895.16 = 128,729.92 : x - Step 2: Convert to fraction form
236,158.96/325,895.16 = 128,729.92/x - Step 3: Cross multiply
236,158.96x = 325,895.16 × 128,729.92 - Step 4: Simplify right side
236,158.96x = 41,952,457,875.19 - Step 5: Solve for x
x = 41,952,457,875.19/236,158.96 - Step 6: Final answer
x = 177,645.00
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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.