Finding the Fourth Proportional to 405,608.11, 559,735.92 and 224,327.68
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Solution
The fourth proportional to 405,608.11, 559,735.92 and 224,327.68 is: 309,570.39
Step by Step Solution
- Step 1: Write the proportion equation
405,608.11 : 559,735.92 = 224,327.68 : x - Step 2: Convert to fraction form
405,608.11/559,735.92 = 224,327.68/x - Step 3: Cross multiply
405,608.11x = 559,735.92 × 224,327.68 - Step 4: Simplify right side
405,608.11x = 125,564,258,946.93 - Step 5: Solve for x
x = 125,564,258,946.93/405,608.11 - Step 6: Final answer
x = 309,570.39
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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.