Finding the Fourth Proportional to 500,556.96, 750,828.96 and 121,480.80
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Solution
The fourth proportional to 500,556.96, 750,828.96 and 121,480.80 is: 182,219.63
Step by Step Solution
- Step 1: Write the proportion equation
500,556.96 : 750,828.96 = 121,480.80 : x - Step 2: Convert to fraction form
500,556.96/750,828.96 = 121,480.80/x - Step 3: Cross multiply
500,556.96x = 750,828.96 × 121,480.80 - Step 4: Simplify right side
500,556.96x = 91,211,302,723.97 - Step 5: Solve for x
x = 91,211,302,723.97/500,556.96 - Step 6: Final answer
x = 182,219.63
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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.