Finding the Fourth Proportional to 665,161.41, 917,922.80 and 363,355.41
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Solution
The fourth proportional to 665,161.41, 917,922.80 and 363,355.41 is: 501,430.50
Step by Step Solution
- Step 1: Write the proportion equation
665,161.41 : 917,922.80 = 363,355.41 : x - Step 2: Convert to fraction form
665,161.41/917,922.80 = 363,355.41/x - Step 3: Cross multiply
665,161.41x = 917,922.80 × 363,355.41 - Step 4: Simplify right side
665,161.41x = 333,532,215,342.35 - Step 5: Solve for x
x = 333,532,215,342.35/665,161.41 - Step 6: Final answer
x = 501,430.50
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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.