Finding the Fourth Proportional to 401,768.25, 602,635.09 and 121,277.13
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Solution
The fourth proportional to 401,768.25, 602,635.09 and 121,277.13 is: 181,910.48
Step by Step Solution
- Step 1: Write the proportion equation
401,768.25 : 602,635.09 = 121,277.13 : x - Step 2: Convert to fraction form
401,768.25/602,635.09 = 121,277.13/x - Step 3: Cross multiply
401,768.25x = 602,635.09 × 121,277.13 - Step 4: Simplify right side
401,768.25x = 73,085,854,152.49 - Step 5: Solve for x
x = 73,085,854,152.49/401,768.25 - Step 6: Final answer
x = 181,910.48
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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.