Finding the Fourth Proportional to 460,723.80, 691,040.34 and 161,149.08
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Solution
The fourth proportional to 460,723.80, 691,040.34 and 161,149.08 is: 241,707.75
Step by Step Solution
- Step 1: Write the proportion equation
460,723.80 : 691,040.34 = 161,149.08 : x - Step 2: Convert to fraction form
460,723.80/691,040.34 = 161,149.08/x - Step 3: Cross multiply
460,723.80x = 691,040.34 × 161,149.08 - Step 4: Simplify right side
460,723.80x = 111,360,515,033.89 - Step 5: Solve for x
x = 111,360,515,033.89/460,723.80 - Step 6: Final answer
x = 241,707.75
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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.