Finding the Fourth Proportional to 460,938.75, 691,479.36 and 157,261.80
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Solution
The fourth proportional to 460,938.75, 691,479.36 and 157,261.80 is: 235,917.01
Step by Step Solution
- Step 1: Write the proportion equation
460,938.75 : 691,479.36 = 157,261.80 : x - Step 2: Convert to fraction form
460,938.75/691,479.36 = 157,261.80/x - Step 3: Cross multiply
460,938.75x = 691,479.36 × 157,261.80 - Step 4: Simplify right side
460,938.75x = 108,743,290,967.20 - Step 5: Solve for x
x = 108,743,290,967.20/460,938.75 - Step 6: Final answer
x = 235,917.01
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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.