Finding the Fourth Proportional to 407,403.09, 562,283.87 and 237,637.26
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Solution
The fourth proportional to 407,403.09, 562,283.87 and 237,637.26 is: 327,978.85
Step by Step Solution
- Step 1: Write the proportion equation
407,403.09 : 562,283.87 = 237,637.26 : x - Step 2: Convert to fraction form
407,403.09/562,283.87 = 237,637.26/x - Step 3: Cross multiply
407,403.09x = 562,283.87 × 237,637.26 - Step 4: Simplify right side
407,403.09x = 133,619,597,020.81 - Step 5: Solve for x
x = 133,619,597,020.81/407,403.09 - Step 6: Final answer
x = 327,978.85
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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.