Finding the Fourth Proportional to 407,707.74, 562,662.71 and 226,419.62
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Solution
The fourth proportional to 407,707.74, 562,662.71 and 226,419.62 is: 312,473.52
Step by Step Solution
- Step 1: Write the proportion equation
407,707.74 : 562,662.71 = 226,419.62 : x - Step 2: Convert to fraction form
407,707.74/562,662.71 = 226,419.62/x - Step 3: Cross multiply
407,707.74x = 562,662.71 × 226,419.62 - Step 4: Simplify right side
407,707.74x = 127,397,873,040.96 - Step 5: Solve for x
x = 127,397,873,040.96/407,707.74 - Step 6: Final answer
x = 312,473.52
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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.