Finding the Fourth Proportional to 542,553.23, 748,732.44 and 300,845.99
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Solution
The fourth proportional to 542,553.23, 748,732.44 and 300,845.99 is: 415,172.45
Step by Step Solution
- Step 1: Write the proportion equation
542,553.23 : 748,732.44 = 300,845.99 : x - Step 2: Convert to fraction form
542,553.23/748,732.44 = 300,845.99/x - Step 3: Cross multiply
542,553.23x = 748,732.44 × 300,845.99 - Step 4: Simplify right side
542,553.23x = 225,253,155,156.92 - Step 5: Solve for x
x = 225,253,155,156.92/542,553.23 - Step 6: Final answer
x = 415,172.45
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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.