Finding the Fourth Proportional to 748,136.27, 1,122,362.22 and 242,657.99
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Solution
The fourth proportional to 748,136.27, 1,122,362.22 and 242,657.99 is: 364,038.17
Step by Step Solution
- Step 1: Write the proportion equation
748,136.27 : 1,122,362.22 = 242,657.99 : x - Step 2: Convert to fraction form
748,136.27/1,122,362.22 = 242,657.99/x - Step 3: Cross multiply
748,136.27x = 1,122,362.22 × 242,657.99 - Step 4: Simplify right side
748,136.27x = 272,350,160,357.14 - Step 5: Solve for x
x = 272,350,160,357.14/748,136.27 - Step 6: Final answer
x = 364,038.17
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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.