Finding the Fourth Proportional to 441,164.99, 661,747.60 and 108,740.99
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Solution
The fourth proportional to 441,164.99, 661,747.60 and 108,740.99 is: 163,111.51
Step by Step Solution
- Step 1: Write the proportion equation
441,164.99 : 661,747.60 = 108,740.99 : x - Step 2: Convert to fraction form
441,164.99/661,747.60 = 108,740.99/x - Step 3: Cross multiply
441,164.99x = 661,747.60 × 108,740.99 - Step 4: Simplify right side
441,164.99x = 71,959,085,573.53 - Step 5: Solve for x
x = 71,959,085,573.53/441,164.99 - Step 6: Final answer
x = 163,111.51
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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.