Finding the Fourth Proportional to 236,022.68, 325,715.04 and 128,592.69
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Solution
The fourth proportional to 236,022.68, 325,715.04 and 128,592.69 is: 177,459.95
Step by Step Solution
- Step 1: Write the proportion equation
236,022.68 : 325,715.04 = 128,592.69 : x - Step 2: Convert to fraction form
236,022.68/325,715.04 = 128,592.69/x - Step 3: Cross multiply
236,022.68x = 325,715.04 × 128,592.69 - Step 4: Simplify right side
236,022.68x = 41,884,573,167.06 - Step 5: Solve for x
x = 41,884,573,167.06/236,022.68 - Step 6: Final answer
x = 177,459.95
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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.