Finding the Fourth Proportional to 222,005.13, 306,367.07 and 121,403.13
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Solution
The fourth proportional to 222,005.13, 306,367.07 and 121,403.13 is: 167,536.31
Step by Step Solution
- Step 1: Write the proportion equation
222,005.13 : 306,367.07 = 121,403.13 : x - Step 2: Convert to fraction form
222,005.13/306,367.07 = 121,403.13/x - Step 3: Cross multiply
222,005.13x = 306,367.07 × 121,403.13 - Step 4: Simplify right side
222,005.13x = 37,193,921,226.93 - Step 5: Solve for x
x = 37,193,921,226.93/222,005.13 - Step 6: Final answer
x = 167,536.31
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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.