Finding the Fourth Proportional to 223,867.26, 308,929.14 and 121,891.08
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Solution
The fourth proportional to 223,867.26, 308,929.14 and 121,891.08 is: 168,205.51
Step by Step Solution
- Step 1: Write the proportion equation
223,867.26 : 308,929.14 = 121,891.08 : x - Step 2: Convert to fraction form
223,867.26/308,929.14 = 121,891.08/x - Step 3: Cross multiply
223,867.26x = 308,929.14 × 121,891.08 - Step 4: Simplify right side
223,867.26x = 37,655,706,518.07 - Step 5: Solve for x
x = 37,655,706,518.07/223,867.26 - Step 6: Final answer
x = 168,205.51
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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.