Finding the Fourth Proportional to 324,420.97, 486,805.74 and 135,011.92
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Solution
The fourth proportional to 324,420.97, 486,805.74 and 135,011.92 is: 202,590.40
Step by Step Solution
- Step 1: Write the proportion equation
324,420.97 : 486,805.74 = 135,011.92 : x - Step 2: Convert to fraction form
324,420.97/486,805.74 = 135,011.92/x - Step 3: Cross multiply
324,420.97x = 486,805.74 × 135,011.92 - Step 4: Simplify right side
324,420.97x = 65,724,574,515.33 - Step 5: Solve for x
x = 65,724,574,515.33/324,420.97 - Step 6: Final answer
x = 202,590.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.