Finding the Fourth Proportional to 634,369.68, 951,556.14 and 213,940.80
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Solution
The fourth proportional to 634,369.68, 951,556.14 and 213,940.80 is: 320,911.75
Step by Step Solution
- Step 1: Write the proportion equation
634,369.68 : 951,556.14 = 213,940.80 : x - Step 2: Convert to fraction form
634,369.68/951,556.14 = 213,940.80/x - Step 3: Cross multiply
634,369.68x = 951,556.14 × 213,940.80 - Step 4: Simplify right side
634,369.68x = 203,576,681,836.51 - Step 5: Solve for x
x = 203,576,681,836.51/634,369.68 - Step 6: Final answer
x = 320,911.75
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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.