Finding the Fourth Proportional to 155,735.82, 233,657.93 and 49,136.23
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Solution
The fourth proportional to 155,735.82, 233,657.93 and 49,136.23 is: 73,721.45
Step by Step Solution
- Step 1: Write the proportion equation
155,735.82 : 233,657.93 = 49,136.23 : x - Step 2: Convert to fraction form
155,735.82/233,657.93 = 49,136.23/x - Step 3: Cross multiply
155,735.82x = 233,657.93 × 49,136.23 - Step 4: Simplify right side
155,735.82x = 11,481,069,789.80 - Step 5: Solve for x
x = 11,481,069,789.80/155,735.82 - Step 6: Final answer
x = 73,721.45
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1.5x scale
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.