Finding the Fourth Proportional to 155,672.67, 214,833.56 and 92,064.99
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Solution
The fourth proportional to 155,672.67, 214,833.56 and 92,064.99 is: 127,052.80
Step by Step Solution
- Step 1: Write the proportion equation
155,672.67 : 214,833.56 = 92,064.99 : x - Step 2: Convert to fraction form
155,672.67/214,833.56 = 92,064.99/x - Step 3: Cross multiply
155,672.67x = 214,833.56 × 92,064.99 - Step 4: Simplify right side
155,672.67x = 19,778,649,092.74 - Step 5: Solve for x
x = 19,778,649,092.74/155,672.67 - Step 6: Final answer
x = 127,052.80
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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.