Finding the Fourth Proportional to 285,756.26, 394,365.93 and 158,456.66
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Solution
The fourth proportional to 285,756.26, 394,365.93 and 158,456.66 is: 218,682.55
Step by Step Solution
- Step 1: Write the proportion equation
285,756.26 : 394,365.93 = 158,456.66 : x - Step 2: Convert to fraction form
285,756.26/394,365.93 = 158,456.66/x - Step 3: Cross multiply
285,756.26x = 394,365.93 × 158,456.66 - Step 4: Simplify right side
285,756.26x = 62,489,908,085.59 - Step 5: Solve for x
x = 62,489,908,085.59/285,756.26 - Step 6: Final answer
x = 218,682.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.